AD 2018-17-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services B.V. | F.28 Mark 0070 | Airworthiness Directives; Fokker Services B.V. Airplanes |
| aircraft | Fokker Services B.V. | F.28 Mark 0100 | Airworthiness Directives; Fokker Services B.V. Airplanes |
Unsafe Condition
Failure of the retraction actuator eye-end of a Goodrich main landing gear (MLG) could prevent retraction of the MLG and/or its complete extension, possibly resulting in damage to the airplane during landing, and consequent injury to occupants.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
A one-time general visual inspection of the left-hand (LH) and right-hand (RH) MLG retraction actuators and replacement if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes.
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Federal Register Abstract
We are adopting a new airworthiness directive (AD) for certain Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes. This AD was prompted by a report that the retraction actuator eye-end of a Goodrich main landing gear (MLG) failed. This AD requires a one-time general visual inspection of the left-hand (LH) and right-hand (RH) MLG retraction actuators and replacement if necessary. 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 Fokker Services B.V. Model F28 Mark 0070 and
0100 airplanes, certificated in any category, all serial numbers, if
equipped with Goodrich main landing gear (MLG), part number (P/N)
41050-x (all dashes) or P/N 41060-x (all dashes).
Document Text
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[Federal Register Volume 83, Number 160 (Friday, August 17, 2018)]
[Rules and Regulations]
[Pages 40959-40961]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2018-17624]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2018-0303; Product Identifier 2018-NM-006-AD; Amendment
39-19360; AD 2018-17-06]
RIN 2120-AA64
Airworthiness Directives; Fokker Services B.V. Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
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SUMMARY: We are adopting a new airworthiness directive (AD) for certain
Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes. This AD
was prompted by a report that the retraction actuator eye-end of a
Goodrich main landing gear (MLG) failed. This AD requires a one-time
general visual inspection of the left-hand (LH) and right-hand (RH) MLG
retraction actuators and replacement if necessary. We are issuing this
AD to address the unsafe condition on these products.
DATES: This AD is effective September 21, 2018.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of September
21, 2018.
ADDRESSES: For service information identified in this final rule,
contact Fokker Services B.V., Technical Services Dept., P.O. Box 1357,
2130 EL Hoofddorp, the Netherlands; telephone +31 (0)88-6280-350; fax
+31 (0)88-6280-111; email <a href="/cdn-cgi/l/email-protection#2a5e4f49424443494b46594f585c43494f596a4c4541414f5804494547"><span class="__cf_email__" data-cfemail="01756462696f6862606d726473776862647241676e6a6a64732f626e6c">[email protected]</span></a>; internet <a href="http://www.myfokkerfleet.com">http://www.myfokkerfleet.com</a>. 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. 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-
0303.
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-
0303; 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 in the ADDRESSES section. Comments will be available in the AD
docket shortly after receipt.
FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer,
International Section, Transport Standards Branch, FAA, 2200 South
216th St., Des Moines, WA 98198; telephone and fax 206-231-3226.
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would apply to certain Fokker Services
B.V. Model F28 Mark 0070 and 0100 airplanes. The NPRM published in the
Federal Register on April 27, 2018 (83 FR 18488). The NPRM was prompted
by a report that the retraction actuator eye-end of a Goodrich MLG
failed. The NPRM proposed to require a one-time general visual
inspection of the LH and RH MLG retraction actuators and replacement if
necessary.
We are issuing this AD to address failure of the retraction
actuator eye-end of a Goodrich MLG, which could prevent retraction of
the MLG and/or its complete extension, possibly resulting in damage to
the airplane during landing, and consequent injury to occupants.
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Union, has issued EASA AD
2018-0001, dated January 4, 2018 (referred to after this as the
Mandatory Continuing Airworthiness Information, or ``the MCAI''), to
correct an unsafe condition for certain Fokker Services B.V. Model F28
Mark 0070 and 0100 airplanes. The MCAI states:
An occurrence was reported where, following take-off after gear
up selection, the retraction actuator eye-end (P/N [part number]
41518-3) of a Goodrich MLG failed. After the LG UNSAFE indication,
the flight crew successfully selected gear down and locked by
applying the alternate extension
[[Page 40960]]
procedure, and an uneventful landing was made. Investigation results
showed that the final overload fracture of the eye-end was preceded
by fatigue cracks, believed to have been caused by interference
between the MLG retraction actuator eye-end and the actuator
bracket. It was also highlighted that the affected eye-end had been
installed incorrectly, i.e. with the grease nipple located on the
lower side, thus causing damage to the eye-end due to interference
with the bracket. Further investigations revealed other occurrences
of interference between retraction actuator eye-end and bracket with
resulting damage.
This condition, if not detected and corrected, could prevent
retraction of the MLG and/or its complete extension, possibly
resulting in damage to the aeroplane during landing, and consequent
injury to occupants.
To address this potential unsafe condition, Fokker Services
published SBF100-32-168 to provide inspection and replacement
instructions.
For the reasons described above, this AD requires a one-time
[general visual] inspection [for deficiencies] (check the eye-end
for presence of interference/damage and for orientation of the
greasing nipple) of the MLG retraction actuators, left-hand (LH) and
right-hand (RH) sides, and, depending on findings, replacement.
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-
0303.
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
Fokker Services B.V. has issued Fokker Service Bulletin SBF100-32-
168, dated May 22, 2017. This service information describes procedures
for a one-time general visual inspection for deficiencies of the
Goodrich MLG retraction actuators and replacement of the actuator if
necessary (e.g., if the retraction actuator greasing nipple is not
located on the upper side MLG retraction actuator eye-end or if
interference damage or evidence of removed damage is present on the
eye-end of the MLG retraction actuator). 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 5 airplanes of U.S. registry.
We estimate the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost on U.S.
Action Labor cost Parts cost Cost per product operators
----------------------------------------------------------------------------------------------------------------
Inspection............ 1 work-hour x $85 per hour $0 $85 per inspection $425 per inspection
= $85 per inspection cycle. cycle.
cycle.
----------------------------------------------------------------------------------------------------------------
We estimate the following costs to do any necessary replacements
that would be required based on the results of the inspection. We have
no way of determining the number of aircraft that might need these
replacements:
On-Condition Costs
----------------------------------------------------------------------------------------------------------------
Cost per
Action Labor cost Parts cost product
----------------------------------------------------------------------------------------------------------------
Replacement................................ 1 work-hour x $85 per hour = $85... $0 $85
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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
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
[[Page 40961]]
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 adding the following new airworthiness
directive (AD):
2018-17-06 Fokker Services B.V.: Amendment 39-19360; Docket No. FAA-
2018-0303; Product Identifier 2018-NM-006-AD.
(a) Effective Date
This AD is effective September 21, 2018.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Fokker Services B.V. Model F28 Mark 0070 and
0100 airplanes, certificated in any category, all serial numbers, if
equipped with Goodrich main landing gear (MLG), part number (P/N)
41050-x (all dashes) or P/N 41060-x (all dashes).
(d) Subject
Air Transport Association (ATA) of America Code 32, Landing
gear.
(e) Reason
This AD was prompted by a report that the retraction actuator
eye-end of a Goodrich MLG failed. We are issuing this AD to address
failure of the retraction actuator eye-end of a Goodrich MLG, which
could prevent retraction of the MLG and/or its complete extension,
possibly resulting in damage to the airplane during landing, and
consequent injury to occupants.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Definition
For the purposes of this AD, a ``serviceable part'' is a
serviceable retraction actuator with an eye-end that does not have
any indication of interference or damage, as specified in the
Accomplishment Instructions of Fokker Service Bulletin SBF100-32-
168, dated May 22, 2017.
(h) Inspection and Corrective Action
Within 12 months after the effective date of this AD, perform a
general visual inspection of the left-hand (LH) and right-hand (RH)
MLG retraction actuators for deficiencies (i.e., check for the
presence of interference damage, including evidence of removed
damage, and for the orientation of the greasing nipple), in
accordance with the Accomplishment Instructions of Fokker Service
Bulletin SBF100-32-168, dated May 22, 2017. If any deficiency is
found, before further flight, replace the affected MLG retraction
actuator with a serviceable part, in accordance with the
Accomplishment Instructions of Fokker Service Bulletin SBF100-32-
168, dated May 22, 2017.
(i) Other FAA AD Provisions
The following provisions also apply to this AD:
(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 (j)(2) of this AD. Information
may be emailed to: <a href="/cdn-cgi/l/email-protection#e6dfcba7a8abcbd7d7d0cba7aba9a5cbb4a3b7b3a3b5b2b5a6808787c8818990"><span class="__cf_email__" data-cfemail="b58c98f4fbf89884848398f4f8faf698e7f0e4e0f0e6e1e6f5d3d4d49bd2dac3">[email protected]</span></a>. 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.
(2) Contacting the Manufacturer: 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 Fokker Services B.V.'s EASA Design
Organization Approval (DOA). If approved by the DOA, the approval
must include the DOA-authorized signature.
(j) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) EASA AD 2018-0001, dated January 4, 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-2018-0303.
(2) For more information about this AD, contact Tom Rodriguez,
Aerospace Engineer, International Section, Transport Standards
Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone
and fax 206-231-3226.
(k) 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.
(i) Fokker Service Bulletin SBF100-32-168, dated May 22, 2017.
(ii) Reserved.
(3) For service information identified in this AD, contact
Fokker Services B.V., Technical Services Dept., P.O. Box 1357, 2130
EL Hoofddorp, the Netherlands; telephone +31 (0)88-6280-350; fax +31
(0)88-6280-111; email <a href="/cdn-cgi/l/email-protection#4d39282e2523242e2c213e283f3b242e283e0d2b222626283f632e2220"><span class="__cf_email__" data-cfemail="e89c8d8b8086818b89849b8d9a9e818b8d9ba88e8783838d9ac68b8785">[email protected]</span></a>; internet <a href="http://www.myfokkerfleet.com">http://www.myfokkerfleet.com</a>.
(4) 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.
(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, 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 August 7, 2018.
Michael Kaszycki,
Acting Director, System Oversight Division, Aircraft Certification
Service.
[FR Doc. 2018-17624 Filed 8-16-18; 8:45 am]
BILLING CODE 4910-13-P
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Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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