AD 2018-25-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Saab AB, Saab Aeronautics | SAAB 2000 | Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes |
Unsafe Condition
A manufacturing defect on certain aileron bellcrank support brackets resulted in insufficient material thickness of the affected lug attaching the support bracket to the rear spar of the wing.
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Required Actions
Inspect the affected lug attaching the aileron bellcrank support bracket to the rear spar of the wing and the adjacent area of the installed aileron bellcrank support brackets for cracks, corrosion, and damage (including missing paint); measure the thickness of the affected lug attaching the support bracket to the rear spar of the wing; and replace the aileron bellcrank support brackets.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours
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Affected Aircraft
Saab AB, Saab Aeronautics (formerly known as Saab AB, Saab Aerosystems) Model SAAB 2000 airplanes, certificated in any category, all manufacturer serial numbers.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
We are superseding Airworthiness Directive (AD) 2018-11-07, which applied to all Saab AB, Saab Aeronautics Model SAAB 2000 airplanes. AD 2018-11-07 required a one-time inspection of an affected lug attaching the aileron bellcrank support bracket to the rear spar of the wing and the adjacent area of the installed support brackets, a thickness measurement of the affected lug, repetitive inspections of the affected aileron bellcrank support brackets, and corrective actions if necessary. AD 2018-11-07 also provided an optional terminating action for the repetitive inspections. This AD retains the actions of AD 2018-11-07 and requires the terminating action for the repetitive inspections. This AD was prompted by a determination that it is necessary to require the terminating action. We are issuing this AD to address the unsafe condition on these products.
Applicability Source Text
Show captured applicability text from the source AD
(c) Applicability
This AD applies to Saab AB, Saab Aeronautics (formerly known as
Saab AB, Saab Aerosystems) Model SAAB 2000 airplanes, certificated
in any category, all manufacturer serial numbers.
Document Text
Show stored source text (verify against official source)
[Federal Register Volume 83, Number 236 (Monday, December 10, 2018)]
[Rules and Regulations]
[Pages 63394-63396]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2018-26530]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2018-0797; Product Identifier 2018-NM-096-AD; Amendment
39-19521; AD 2018-25-10]
RIN 2120-AA64
Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly
Known as Saab AB, Saab Aerosystems) Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
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SUMMARY: We are superseding Airworthiness Directive (AD) 2018-11-07,
which applied to all Saab AB, Saab Aeronautics Model SAAB 2000
airplanes. AD 2018-11-07 required a one-time inspection of an affected
lug attaching the aileron bellcrank support bracket to the rear spar of
the wing and the adjacent area of the installed support brackets, a
thickness measurement of the affected lug, repetitive inspections of
the affected aileron bellcrank support brackets, and corrective actions
if necessary. AD 2018-11-07 also provided an optional terminating
action for the repetitive inspections. This AD retains the actions of
AD 2018-11-07 and requires the terminating action for the repetitive
inspections. This AD was prompted by a determination that it is
necessary to require the terminating action. We are issuing this AD to
address the unsafe condition on these products.
DATES: This AD is effective January 14, 2019.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of June 13,
2018 (83 FR 24399, May 29, 2018).
ADDRESSES: For service information identified in this final rule,
contact Saab AB, Saab Aeronautics, SE-581 88, Link[ouml]ping, Sweden;
telephone +46 13 18 5591; fax +46 13 18 4874; email
<a href="/cdn-cgi/l/email-protection#5a293b3b38686a6a6a742e3f3932292f2a2a35282e1a293b3b383d28352f2a74393537"><span class="__cf_email__" data-cfemail="7f0c1e1e1d4d4f4f4f510b1a1c170c0a0f0f100d0b3f0c1e1e1d180d100a0f511c1012">[email protected]</span></a>; internet <a href="http://www.saabgroup.com">http://www.saabgroup.com</a>.
You may view this referenced service information at the FAA, Transport
Standards 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 on the internet at <a href="http://www.regulations.gov">http://www.regulations.gov</a> by
searching for and locating Docket No. FAA-2018-0797.
Examining the AD Docket
You may examine the AD docket on the internet at <a href="http://www.regulations.gov">http://www.regulations.gov</a> by searching for and locating Docket No. FAA-2018-
0797; 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 regulatory evaluation, any comments received, and
other information. The address for Docket Operations (phone: 800-647-
5527) 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.
FOR FURTHER INFORMATION CONTACT: Shahram Daneshmandi, Aerospace
Engineer, International Section, Transport Standards Branch, FAA, 2200
South 216th St., Des Moines, WA 98198; telephone and fax 206-231-3220.
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 to supersede AD 2018-11-07, Amendment 39-19295 (83 FR 24399,
May 29, 2018) (``AD 2018-11-07''). AD 2018-11-07 applied to all Saab
AB, Saab Aeronautics Model SAAB 2000 airplanes. The NPRM published in
the Federal Register on September 19, 2018 (83 FR 47321). The NPRM was
prompted by a determination that further rulemaking is necessary to
include the requirement to replace all affected support brackets. The
NPRM proposed to continue to require one-time inspection of the
affected lug attaching the aileron bellcrank support bracket to the
rear spar of the wing and the adjacent area of the installed aileron
bellcrank support brackets, a thickness measurement of the affected lug
attaching the support bracket to the rear spar of the wing, repetitive
inspections of the affected aileron bellcrank support brackets, and
corrective actions if necessary. The NPRM also proposed to require the
replacement of all affected support brackets. We are issuing this AD to
address the defect of the aileron bellcrank support bracket, which, in
the event of an aileron jam, could lead to failure of the support
bracket and result in reduced controllability of the airplane.
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Union, has issued EASA AD
2018-0103, dated April 30, 2018 (referred to after this as the
Mandatory Continuing Airworthiness Information, or ``the
[[Page 63395]]
MCAI''), to correct an unsafe condition for all Saab AB, Saab
Aeronautics Model SAAB 2000 airplanes. You may examine the MCAI in the
AD docket on the internet at <a href="http://www.regulations.gov">http://www.regulations.gov</a> by searching
for and locating Docket No. FAA-2018-0797.
Comments
We gave the public the opportunity to participate in developing
this final rule. We received no comments on the NPRM or on the
determination of the cost to the public.
Conclusion
We reviewed the relevant data and determined that air safety and
the public interest require adopting this final rule as proposed,
except for minor editorial changes. We have determined that these minor
changes:
<bullet> Are consistent with the intent that was proposed in the
NPRM for addressing the unsafe condition; and
<bullet> Do not add any additional burden upon the public than was
already proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
Saab AB, Saab Aeronautics has issued Saab Service Bulletin 2000-27-
056, dated April 18, 2018. This service information was incorporated by
reference in AD 2018-11-07 on June 13, 2018 (83 FR 24399, May 29,
2018). This service information describes procedures for a detailed
visual inspection for cracks, corrosion, and damage (including missing
paint) of the affected lug and the adjacent area of the installed
aileron bellcrank support brackets on the left-hand and right-hand
wings; a thickness measurement of the affected lug attaching the
support bracket to the rear spar of the wing; and replacement of
aileron bellcrank support brackets. 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
We estimate that this AD affects 8 airplanes of U.S. registry. We
estimate the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Labor cost Parts cost Cost per product Cost on U.S. operators
----------------------------------------------------------------------------------------------------------------
Up to 19 work-hours x $85 per hour = Up to $18,074.......... Up to $19,689.......... Up to $157,512.
$1,615.
----------------------------------------------------------------------------------------------------------------
We have received no definitive data for the on-condition costs
specified in this AD.
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.
We are 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.
This AD is issued in accordance with authority delegated by the
Executive Director, Aircraft Certification Service, as authorized by
FAA Order 8000.51C. In accordance with that order, issuance of ADs is
normally a function of the Compliance and Airworthiness Division, but
during this transition period, the Executive Director has delegated the
authority to issue ADs applicable to transport category airplanes and
associated appliances to the Director of the System Oversight Division.
Regulatory Findings
We determined that 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. Is not a ``significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979);
3. Will not affect intrastate aviation in Alaska; and
4. 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.
Adoption of 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
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by removing Airworthiness Directive (AD)
2018-11-07, Amendment 39-19295 (83 FR 24399, May 29, 2018), and adding
the following new AD:
2018-25-10 Saab AB, Saab Aeronautics (Formerly Known as Saab AB,
Saab Aerosystems): Amendment 39-19521; Docket No. FAA-2018-0797;
Product Identifier 2018-NM-096-AD.
(a) Effective Date
This AD is effective January 14, 2019.
(b) Affected ADs
This AD replaces AD 2018-11-07, Amendment 39-19295 (83 FR 24399,
May 29, 2018) (``AD 2018-11-07'').
(c) Applicability
This AD applies to Saab AB, Saab Aeronautics (formerly known as
Saab AB, Saab Aerosystems) Model SAAB 2000 airplanes, certificated
in any category, all manufacturer serial numbers.
(d) Subject
Air Transport Association (ATA) of America Code 27, Flight
controls.
(e) Reason
This AD was prompted by the identification of a manufacturing
defect on certain aileron bellcrank support brackets that resulted
in insufficient material
[[Page 63396]]
thickness of the affected lug attaching the support bracket to the
rear spar of the wing. We are issuing this AD to detect and correct
a defect of the aileron bellcrank support bracket, which, in the
event of an aileron jam, could lead to failure of the support
bracket and result in reduced controllability of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Retained Definitions, With No Changes
(1) This paragraph restates the definition specified in
paragraph (g)(1) of AD 2018-11-07, with no changes. For the purposes
of this AD, affected support brackets are aileron bellcrank support
brackets, part number (P/N) 7327993-813 and P/N 7327993-814, for
which it has been determined that the affected lug attaching the
support bracket to the rear spar of the wing has a thickness of less
than 2.75 millimeters (mm) (0.108 inch (in.)), as specified in Saab
Service Bulletin 2000-27-056, dated April 18, 2018.
(2) This paragraph restates the definition specified in
paragraph (g)(2) of AD 2018-11-07, with no changes. For the purposes
of this AD, serviceable support brackets are aileron bellcrank
support brackets, P/N 7327993-813 and P/N 7327993-814, for which it
has been determined that the affected lug attaching the support
bracket to the rear spar of the wing has a thickness of 2.75 mm
(0.108 in.) or more, as specified in Saab Service Bulletin 2000-27-
056, dated April 18, 2018.
(h) Retained One-Time Inspection, With No Changes
This paragraph restates the requirements of paragraph (h) of AD
2018-11-07, with no changes. Within 100 flight cycles or 30 days,
whichever occurs first after June 13, 2018 (the effective date of AD
2018-11-07), accomplish a detailed visual inspection for cracks,
corrosion, and damage (including missing paint) of the affected lug
and the adjacent area of the aileron bellcrank support brackets
installed on the left-hand (LH) and right-hand (RH) wings, and
measure the thickness of the affected lug attaching the aileron
bellcrank support bracket to the rear spar of the wing, in
accordance with the Accomplishment Instructions of Saab Service
Bulletin 2000-27-056, dated April 18, 2018.
(i) Retained Repetitive Inspections, With No Changes
This paragraph restates the requirements of paragraph (i) of AD
2018-11-07, with no changes. If, during the measurement required by
paragraph (h) of this AD, it is determined that the affected lug
attaching the aileron bellcrank support bracket to the rear spar of
the wing has a thickness of less than 2.75 mm (0.108 in.), at
intervals not to exceed 100 flight cycles, accomplish a detailed
visual inspection for cracks, corrosion, and damage (including
missing paint) of that affected support bracket in accordance with
the Accomplishment Instructions of Saab Service Bulletin 2000-27-
056, dated April 18, 2018. Accomplishing the replacement specified
in paragraph (l) of this AD terminates the repetitive inspections
required by this paragraph for that bracket.
(j) Retained Corrective Actions, With No Changes
This paragraph restates the requirements of paragraph (j) of AD
2018-11-07, with no changes. If, during any inspection required by
paragraph (h) or (i) of this AD, any crack, corrosion, or damage
(including missing paint) is found, before further flight, obtain
corrective actions instructions approved by the Manager,
International Section, Transport Standards Branch, FAA; or the
European Aviation Safety Agency (EASA); or Saab AB, Saab
Aeronautics' EASA Design Organization Approval (DOA). If approved by
the DOA, the approval must include the DOA-authorized signature.
Accomplish the corrective actions within the compliance time
specified therein. If no compliance time is specified in the
corrective actions instructions, accomplish the corrective action
before further flight.
(k) Retained Parts Installation Limitation, With No Changes
This paragraph restates the requirements of paragraph (m) of AD
2018-11-07, with no changes. As of June 13, 2018 (the effective date
of AD 2018-11-07), it is allowed to install on any airplane an
aileron bellcrank support bracket P/N 7327993-813 or P/N 7327993-
814, provided it is a serviceable support bracket.
(l) New Requirement of This AD: Replacement
Within 6 months after the effective date of this AD, replace
each affected support bracket with a serviceable support bracket, in
accordance with the Accomplishment Instructions of Saab Service
Bulletin 2000-27-056, dated April 18, 2018. Replacing each affected
support bracket terminates the inspections required by paragraph (i)
of this AD for that airplane.
(m) Other FAA AD Provisions
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Section, Transport Standards 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 local Flight
Standards District Office, as appropriate. If sending information
directly to the International Section, send it to the attention of
the person identified in paragraph (n)(2) of this AD. Information
may be emailed to: <a href="/cdn-cgi/l/email-protection#88b1a5c9c6c5a5b9b9bea5c9c5c7cba5dacdd9ddcddbdcdbc8eee9e9a6efe7fe"><span class="__cf_email__" data-cfemail="457c68040b08687474736804080a06681700141000161116052324246b222a33">[email protected]</span></a>.
(i) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office.
(ii) AMOCs approved previously for AD 2018-11-07, are approved
as AMOCs for the corresponding provisions of this AD.
(2) Contacting the Manufacturer: As of the effective date of
this AD, for any requirement in this AD to obtain corrective actions
from a manufacturer, the action must be accomplished using a method
approved by the Manager, International Section, Transport Standards
Branch, FAA; or the European Aviation Safety Agency (EASA); or Saab
AB, Saab Aeronautics' EASA Design Organization Approval (DOA). If
approved by the DOA, the approval must include the DOA-authorized
signature.
(n) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) EASA Airworthiness Directive 2018-0103, dated April 30, 2018,
for related information. This MCAI may be found in the AD docket on
the internet at <a href="http://www.regulations.gov">http://www.regulations.gov</a> by searching for and
locating Docket No. FAA-2018-0797.
(2) For more information about this AD, contact Shahram
Daneshmandi, Aerospace Engineer, International Section, Transport
Standards Branch, FAA, 2200 South 216th St., Des Moines, WA 98198;
telephone and fax 206-231-3220.
(o) 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 this AD specifies otherwise.
(3) The following service information was approved for IBR on
June 13, 2018 (83 FR 24399, May 29, 2018).
(i) Saab Service Bulletin 2000-27-056, dated April 18, 2018.
(ii) [Reserved]
(4) For service information identified in this AD, contact Saab
AB, Saab Aeronautics, SE-581 88, Link[ouml]ping, Sweden; telephone
+46 13 18 5591; fax +46 13 18 4874; email
<a href="/cdn-cgi/l/email-protection#4330222221717373736d3726202b303633332c3137033022222124312c36336d202c2e"><span class="__cf_email__" data-cfemail="eb988a8a89d9dbdbdbc59f8e8883989e9b9b84999fab988a8a898c99849e9bc5888486">[email protected]</span></a>; internet <a href="http://www.saabgroup.com">http://www.saabgroup.com</a>.
(5) You may view this service information at the FAA, Transport
Standards Branch, 2200 South 216th St., Des Moines, WA. For
information on the availability of this material at the FAA, call
206-231-3195.
(6) 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, call 202-741-6030, or go to: <a href="http://www.archives.gov/federal-register/cfr/ibr-locations.html">http://www.archives.gov/federal-register/cfr/ibr-locations.html</a>.
Issued in Des Moines, Washington, on November 29, 2018.
James Cashdollar,
Acting Director, System Oversight Division, Aircraft Certification
Service.
[FR Doc. 2018-26530 Filed 12-7-18; 8:45 am]
BILLING CODE 4910-13-P
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