AD 2022-26-04

80031 Federal Register / Vol. 87, No. 249 / Thursday, December 29, 2022 / Rules and Regulations Multiple Operator Message MOM–MOM–22– 0549–01B(R1), dated November 29, 2022. (j) Reporting Inspection Results At the applicable time specified in paragraph (j)(1) or (2) of this AD, submit a report of all findings of the inspections required by paragraphs (h) and (i) of this AD, in accordance with paragraph G. and Appendix A, Attachment A, Boeing Multiple Operator Message MOM–MOM–22–0549– 01B(R1), dated November 29, 2022. (1) If the inspection was done on or after the effective date of this AD: Submit the report within 30 days after the inspection. (2) If the inspection was done before the effective date of this AD: Submit the report within 30 days after the effective date of this AD. (k) Parts Installation Limitation As of the effective date of this AD, no person may install, on any airplane, any transfer pump motor impeller inlet adapter or inlet check valve (or assembly containing either) for the horizontal stabilizer fuel tank, unless the affected part has been inspected as specified in paragraph (h) or (i) of this AD, as applicable, and been determined to be a serviceable part as defined in paragraph (g)(1) or (2) of this AD. (l) Credit for Previous Actions This paragraph provides credit for actions required by paragraphs (h) and (i) of this AD, if those actions were performed before the effective date of this AD using Boeing Multiple Operator Message MOM–MOM–22– 0549–01B, dated November 21, 2022. (m) Special Flight Permit Special flight permits may be issued in accordance with 14 CFR 21.197 and 21.199 to operate the airplane to a location where the actions required by this AD can be performed, provided the horizontal stabilizer fuel tank is defueled and both transfer pump circuit breakers are locked in the ‘‘open’’ position. (n) Alternative Methods of Compliance (AMOCs) (1) The Manager, Seattle ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (o)(1) of this AD. Information may be emailed to: 9- ANM-Seattle-ACO-AMOC-Requests@faa.gov. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (3) An AMOC that provides an acceptable level of safety may be used for any repair, modification, or alteration required by this AD if it is approved by The Boeing Company Organization Designation Authorization (ODA) that has been authorized by the Manager, Seattle ACO Branch, FAA, to make those findings. To be approved, the repair method, modification deviation, or alteration deviation must meet the certification basis of the airplane, and the approval must specifically refer to this AD. (o) Related Information (1) For more information about this AD, contact Samuel Dorsey, Aerospace Engineer, Propulsion Section, FAA, Seattle ACO Branch, 2200 South 216th St., Des Moines, WA 98198; phone: 206–231–3415; email: Samuel.j.dorsey@faa.gov. (2) Service information identified in this AD that is not incorporated by reference is available at the addresses specified in paragraphs (p)(3) and (4) of this AD. (p) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Boeing Multiple Operator Message MOM–MOM–22–0549–01B(R1), dated November 29, 2022. (ii) [Reserved] (3) For Boeing service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110–SK57, Seal Beach, CA 90740–5600; telephone 562–797– 1717; website myboeingfleet.com . (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206–231–3195. (5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email fr.inspection@nara.gov, or go to: www.archives.gov/federal-register/cfr/ibr- locations.html. Issued on December 21, 2022. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022–28386 Filed 12–23–22; 4:15 pm] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2022–0141; Project Identifier MCAI–2021–01052–T; Amendment 39–22283; AD 2022–26–04] RIN 2120–AA64 Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes AGENCY : Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION : Final rule. SUMMARY : The FAA is adopting a new airworthiness directive (AD) for all MHI RJ Aviation ULC Model CL–600–2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by a report of an oxygen-fed ground fire event potentially caused by electrical arcing from a faulty surround light wire on the third crew member’s (observer) oxygen mask. This AD was also prompted by the determination that additional inspections and a bracket trim are needed to address the unsafe condition. This AD requires an inspection for discrepancies of the observer’s oxygen mask stowage box and stowage compartment, oxygen hose connections and routing, and the associated electrical harness, and corrective actions if necessary; and modifying the oxygen mask flexible lamp harness, mounting plate, and compartment panel, including rerouting the electrical harness and applying protective sealant. This AD also requires an inspection for correct installation of the flexible lamp assembly; trimming and reidentifying a bracket; and for certain airplanes, an inspection for damage of the wire harness assembly; and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products. DATES : This AD is effective February 2, 2023. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of February 2, 2023. ADDRESSES : AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA–2022–0141; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the mandatory continuing airworthiness information VerDate Sep<11>2014 16:46 Dec 28, 2022 Jkt 259001 PO 00000 Frm 00033 Fmt 4700 Sfmt 4700 E:\FR\FM\29DER1.SGM 29DER1 khammond on DSKJM1Z7X2PROD with RULES

80032 Federal Register / Vol. 87, No. 249 / Thursday, December 29, 2022 / Rules and Regulations (MCAI), any comments received, and other information. The address for Docket Operations is U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE, Washington, DC 20590. Material Incorporated by Reference: • For service information identified in this final rule, contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des Grandes- Tourelles, Suite 110, Boisbriand, Que ´bec J7H 0E2 Canada; North America toll-free telephone 833–990–7272 or direct-dial telephone 450–990–7272; fax 514–855–8501; email thd.crj@ mhirj.com; website mhirj.com. • You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206–231–3195. It is also available at regulations.gov under Docket No. FAA– 2022–0141. FOR FURTHER INFORMATION CONTACT : Gabriel Kim, Aerospace Engineer, Avionics and Electrical Systems Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516– 228–7300; email 9-avs-nyaco-cos@ faa.gov. SUPPLEMENTARY INFORMATION : Background The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to all MHI RJ Aviation ULC Model CL–600–2B19 (Regional Jet Series 100 & 440) airplanes. The NPRM published in the Federal Register on February 25, 2022 (87 FR 10752). The NPRM was prompted by AD CF–2021–32, dated September 17, 2021, issued by Transport Canada, which is the aviation authority for Canada (Transport Canada AD CF–2021–32). Transport Canada AD CF–2021–32 states that an oxygen-fed ground fire event was potentially caused by electrical arcing from a faulty surround light wire on the third crew member’s (observer) oxygen mask. An investigation determined that the oxygen supply hose connecting to the rear of the observer oxygen mask box assembly could be subject to chafing damage. In the NPRM, the FAA proposed to require an inspection for discrepancies of the observer’s oxygen mask stowage box and storage compartment, oxygen hose connections and routing, and the associated electrical harness, and corrective actions if necessary; and modifying the oxygen mask flexible lamp harness, mounting plate, and compartment panel, including rerouting the electrical harness and applying protective sealant. The FAA issued a supplemental notice of proposed rulemaking (SNPRM) to amend 14 CFR part 39 by adding an AD that would apply to all MHI RJ Aviation ULC Model CL–600–2B19 (Regional Jet Series 100 & 440) airplanes. The SNPRM published in the Federal Register on October 21, 2022 (87 FR 63970). The SNPRM was prompted by Transport Canada AD CF– 2021–32R1, dated July 25, 2022 (also referred to as the MCAI). The MCAI states that since Transport Canada AD CF–2021–32 was issued, an operator reporting a fouling condition between the power feed wires for the stowage box light strip and an existing aluminum bracket in the entrance monument mask stowage compartment. The SNPRM was also prompted by the determination that additional inspections and a bracket trim are needed to address the unsafe condition. In the SNPRM, the FAA again proposed to require an inspection for discrepancies of the observer’s oxygen mask stowage box and storage compartment, oxygen hose connections and routing, and the associated electrical harness, and corrective actions if necessary; and modifying the oxygen mask flexible lamp harness, mounting plate, and compartment panel, including rerouting the electrical harness and applying protective sealant. In the SNPRM, the FAA further proposed to require an inspection for correct installation of the flexible lamp assembly; trimming and reidentifying a bracket; and for certain airplanes, an inspection for damage of the wire harness assembly; and applicable corrective actions. The FAA is issuing this AD to address possible damage to the observer oxygen mask supply hoses and a potential for an oxygen-fed fire in the vicinity of the observer oxygen mask storage compartment. You may examine the MCAI in the AD docket at regulations.gov under Docket No. FAA–2022–0141. Discussion of Final Airworthiness Directive Comments The FAA received a comment from The Air Line Pilots Association, International (ALPA), who supported the SNPRM without change. Conclusion This product has been approved by the aviation authority of another country and is approved for operation in the United States. Pursuant to the FAA’s bilateral agreement with this State of Design Authority, it has notified the FAA of the unsafe condition described in the MCAI referenced above. The FAA reviewed the relevant data, considered the comment received, and determined that air safety requires adopting this AD as proposed. Accordingly, the FAA is issuing this AD to address the unsafe condition on this product. Except for minor editorial changes, this AD is adopted as proposed in the SNPRM. None of the changes will increase the economic burden on any operator. Related Service Information Under 1 CFR Part 51 The FAA reviewed MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. This service information specifies procedures for doing a general visual inspection for discrepancies, including elbow fitting clocking (rotation), sealing tape installed in a certain location, wire damage ( e.g., cuts, nicks, kinks, insulation damage) of the observer’s oxygen mask stowage box and storage compartment, the observer’s mask oxygen hose connections, the hose routing, and the associated electrical harness, and applicable corrective actions; and modifying the oxygen mask flexible lamp harness, mounting plate, and compartment panel, including rerouting the electrical harness and applying protective sealant. Corrective actions include re-positioning the elbow fitting, removing sealing tape, and repairing wiring. This service information also specifies procedures for an inspection for correct installation of the flexible lamp assembly; trimming and reidentifying a bracket; and for certain airplanes, an inspection for damage of the wire harness assembly; and applicable corrective actions. Corrective actions include correcting flexible lamp assembly installations and repair. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section. Costs of Compliance The FAA estimates that this AD affects 407 airplanes of U.S. registry. The FAA estimates the following costs to comply with this AD: VerDate Sep<11>2014 16:46 Dec 28, 2022 Jkt 259001 PO 00000 Frm 00034 Fmt 4700 Sfmt 4700 E:\FR\FM\29DER1.SGM 29DER1 khammond on DSKJM1Z7X2PROD with RULES

80033 Federal Register / Vol. 87, No. 249 / Thursday, December 29, 2022 / Rules and Regulations E STIMATED C OSTS FOR R EQUIRED A CTIONS Labor cost Parts cost Cost per product Cost on U.S. operators Up to 9 work-hours × $85 per hour = Up to $765 ...... Up to $115 ....................... Up to $880 ....................... Up to $358,160. Authority for This Rulemaking Title 49 of the United States Code specifies the FAA’s authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. Subtitle VII: Aviation Programs, describes in more detail the scope of the Agency’s authority. The FAA is issuing this rulemaking under the authority described in Subtitle VII, Part A, Subpart III, Section 44701: General requirements. Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. Regulatory Findings This AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed above, I certify that this AD: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866, (2) Will not affect intrastate aviation in Alaska, and (3) Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39—AIRWORTHINESS DIRECTIVES ■ 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] ■ 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2022–26–04 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39– 22283; Docket No. FAA–2022–0141; Project Identifier MCAI–2021–01052–T. (a) Effective Date This airworthiness directive (AD) is effective February 2, 2023. (b) Affected ADs None. (c) Applicability This AD applies to all MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Model CL–600–2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code 35, Oxygen. (e) Unsafe Condition This AD was prompted by a report of an oxygen-fed ground fire event potentially caused by electrical arcing from a faulty surround light wire on the third crew member’s (observer) oxygen mask. An investigation determined that the oxygen supply hose connecting to the rear of the observer oxygen mask box assembly could be subject to chafing damage. This AD was also prompted by the determination that additional inspections and a bracket trim are needed to address the unsafe condition. The FAA is issuing this AD to address possible damage to the observer oxygen mask supply hoses and a potential for an oxygen-fed fire in the vicinity of the observer oxygen mask storage compartment. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions Within 4,000 flight hours or 24 months, whichever occurs first after the effective date of this AD, do the actions in paragraphs (g)(1) and (2) of this AD: (1) For airplanes on which the actions specified in MHI RJ Service Bulletin 601R– 35–022, dated June 1, 2021; or MHI RJ Service Bulletin 601R–35–022, Revision A, dated October 12, 2021; have not been accomplished: Do the actions specified in paragraphs (g)(1)(i) and (ii) of this AD. (i) Do a general visual inspection for discrepancies of the observer’s oxygen mask stowage box and stowage compartment, the observer’s mask oxygen hose connections, the hose routing, and the associated electrical harness; reroute the electrical harness and apply protective sealant in accordance with Part A. Section 2.B. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. If any discrepancies are found, before further flight, do all applicable corrective actions, in accordance with paragraph 2.B. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. (ii) Modify the oxygen mask flexible lamp harness, mounting plate, and compartment panel, including rerouting the electrical harness; apply protective sealant; inspect the flexible lamp assembly for correct installation; and trim and reidentify the bracket; in accordance with Part A. Section 2.B. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. Do all applicable flexible lamp assembly installation corrections before further flight in accordance with Part A. Section 2.B. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. (2) For airplanes on which the actions specified in MHI RJ Service Bulletin 601R– 35–022, dated June 1, 2021; or MHI RJ Service Bulletin 601R–35–022, Revision A, dated October 12, 2021; have been accomplished: Inspect the flexible lamp assembly for correct installation; inspect the wire harness assembly for damage; and trim and reidentify the bracket in accordance with Part B. Section 2.E. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. Do all applicable flexible lamp assembly installation corrections and damage repair before further flight in accordance with Part B. Section 2.E. of the Accomplishment Instructions of MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. (h) Other FAA AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, New York ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the certification office, VerDate Sep<11>2014 16:46 Dec 28, 2022 Jkt 259001 PO 00000 Frm 00035 Fmt 4700 Sfmt 4700 E:\FR\FM\29DER1.SGM 29DER1 khammond on DSKJM1Z7X2PROD with RULES

80034 Federal Register / Vol. 87, No. 249 / Thursday, December 29, 2022 / Rules and Regulations send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228–7300. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, New York ACO Branch, FAA; or Transport Canada; or MHI RJ Aviation ULC’s Transport Canada Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (i) Additional Information (1) Refer to Transport Canada AD CF– 2021–32R1, dated July 25, 2022, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA–2022–0141. (2) For more information about this AD, contact Gabriel Kim, Aerospace Engineer, Avionics and Electrical Systems Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228–7300; email 9-avs-nyaco- cos@faa.gov. (j) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise. (i) MHI RJ Service Bulletin 601R–35–022, Revision B, dated April 21, 2022. (ii) [Reserved] (3) For service information identified in this AD, contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des Grandes-Tourelles, Suite 110, Boisbriand, Que ´bec J7H 0E2 Canada; North America toll- free telephone 833–990–7272 or direct-dial telephone 450–990–7272; fax 514–855–8501; email thd.crj@mhirj.com; website mhirj.com. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206–231–3195. (5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email fr.inspection@nara.gov, or go to: www.archives.gov/federal-register/cfr/ibr- locations.html. Issued on December 15, 2022. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022–28279 Filed 12–28–22; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2022–0981; Project Identifier MCAI–2022–00032–T; Amendment 39–22285; AD 2022–26–06] RIN 2120–AA64 Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes AGENCY : Federal Aviation Administration (FAA), DOT. ACTION : Final rule. SUMMARY : The FAA is adopting a new airworthiness directive (AD) for certain Airbus Canada Limited Partnership Model BD–500–1A10 and BD–500– 1A11 airplanes. This AD was prompted by reports of flight control (horizontal stabilizer, rudder, and elevator) decals degrading and peeling (damage), reports of operators painting over these decals, and reports that procedures to replace these decals were inaccurate, potentially causing incorrect positioning of replacement decals. This AD requires inspecting the left and right horizontal stabilizer decals for visibility and damage; and for certain airplanes, inspecting the rudder and left and right elevator decals for visibility and damage; and doing applicable corrective actions; as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products. DATES : This AD is effective February 2, 2023. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of February 2, 2023. ADDRESSES : AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA–2022–0981; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the mandatory continuing airworthiness information (MCAI), any comments received, and other information. The address for Docket Operations is U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE, Washington, DC 20590. Material Incorporated by Reference: • For material incorporated by reference in this AD, contact Transport Canada, Transport Canada National Aircraft Certification, 159 Cleopatra Drive, Nepean, Ontario K1A 0N5, Canada; telephone 888–663–3639; email AD-CN@tc.gc.ca; website tc.canada.ca/ en/aviation. • You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206–231–3195. It is also available in the AD docket at regulations.gov under Docket No. FAA– 2022–0981. FOR FURTHER INFORMATION CONTACT : Gabriel Kim, Aerospace Engineer, Mechanical Systems and Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516–228–7300; email gabriel.d.kim@ faa.gov. SUPPLEMENTARY INFORMATION : Background The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to certain Airbus Canada Limited Partnership Model BD–500–1A10 and BD–500–1A11 airplanes. The NPRM published in the Federal Register on July 29, 2022 (87 FR 45709). The NPRM was prompted by AD CF–2022–01, dated January 7, 2022, issued by Transport Canada, which is the aviation authority for Canada (referred to after this as the MCAI). The MCAI states that flight control decals have been degrading and peeling, operators have been painting over these decals, and procedures to replace these decals were inaccurate, potentially causing incorrect positioning of replacement decals. An investigation determined that the degradation and peeling of the flight control decals were caused by an incorrect clear protective coating being applied during production, and that flight control decals were being painted over because of unclear in-service procedures. The in-service procedures were revised to clearly state that the flight control decals are to be masked prior to painting, and to ensure the flight control decals are properly placed. Flight control decals that are damaged or incorrectly positioned could introduce rigging offset of flight control surfaces, which, when combined with other failures or severe maneuvers, could result in loss of flight control surface effectiveness or structural loading that exceeds the airframe’s capability. See the MCAI for additional background information. VerDate Sep<11>2014 16:46 Dec 28, 2022 Jkt 259001 PO 00000 Frm 00036 Fmt 4700 Sfmt 4700 E:\FR\FM\29DER1.SGM 29DER1 khammond on DSKJM1Z7X2PROD with RULES