81 FR 1492 - Airworthiness Directives; Agusta S.p.A. Helicopters
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 81, Issue 8 (January 13, 2016)
Federal Aviation Administration
Federal Register Volume 81, Issue 8 (January 13, 2016)
| Page Range | 1492-1494 | |
| FR Document | 2016-00013 |
[Federal Register Volume 81, Number 8 (Wednesday, January 13, 2016)] [Rules and Regulations] [Pages 1492-1494] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2016-00013] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2015-8695; Directorate Identifier 2015-SW-042-AD; Amendment 39-18365; AD 2016-01-06] RIN 2120-AA64 Airworthiness Directives; Agusta S.p.A. Helicopters AGENCY: Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule; request for comments. ----------------------------------------------------------------------- SUMMARY: We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB139 and AW139 helicopters. This AD requires inspecting each full ice protection system tail rotor slip ring (slip ring) for chatter marks, witness marks, or scoring, and determining the depth of each mounting hole. Based on the findings from the inspection, this AD requires either re-identifying the slip ring or replacing the slip ring. This AD is prompted by two incidents of the slip ring body separating from the supporting flange due to improper torque. These actions are intended to prevent separation of the mounting flange from the slip ring body and subsequent loss of control of the helicopter. DATES: This AD becomes effective January 28, 2016. The Director of the Federal Register approved the incorporation by reference of a certain document listed in this AD as of January 28, 2016. We must receive comments on this AD by March 14, 2016. ADDRESSES: You may send comments by any of the following methods:Federal eRulemaking Docket: Go to http://www.regulations.gov. Follow the online instructions for sending your comments electronically. Fax: 202-493-2251. Mail: Send comments to the U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590-0001. Hand Delivery: Deliver to the ``Mail'' address between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Examining the AD Docket You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2015- 8695; or in person at the Docket Operations Office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this AD, the European Aviation Safety Agency (EASA) AD, any incorporated by reference service information, the economic evaluation, any comments received, and other information. The street address for the Docket Operations Office (telephone 800-647-5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. For service information identified in this final rule, contact AgustaWestland, Product Support Engineering, Via del Gregge, 100, 21015 Lonate Pozzolo (VA) Italy, ATTN: Maurizio D'Angelo; telephone 39-0331- 664757; fax 39-0331-664680; or at http://www.agustawestland.com/technical-bulletins; and Moog Inc., Components Group, Blacksburg Operations, 1213 North Main St., Blacksburg, Virginia 24606-3127, telephone (540) 552-3011, or at www.moog.com. You may review the referenced service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy, Room 6N-321, Fort Worth, TX 76177. FOR FURTHER INFORMATION CONTACT: Martin R. Crane, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy, Fort Worth, TX 76177; telephone (817) 222-5110; email [email protected]. SUPPLEMENTARY INFORMATION: Comments Invited This AD is a final rule that involves requirements affecting flight safety, and we did not provide you with notice and an opportunity to provide your comments prior to it becoming effective. However, we invite you to participate in this rulemaking by submitting written comments, data, or views. We also invite comments relating to the economic, environmental, energy, or federalism impacts that resulted from adopting this AD. The most helpful comments reference a specific portion of the AD, explain the reason for any recommended change, and include supporting data. To ensure the docket does not contain duplicate comments, commenters should send only one copy of written comments, or if comments are filed electronically, commenters should submit them only one time. We will file in the docket all comments that we receive, as well as a report summarizing each substantive public contact with [[Page 1493]] FAA personnel concerning this rulemaking during the comment period. We will consider all the comments we receive and may conduct additional rulemaking based on those comments. Discussion We are adopting a new AD for Agusta Model AB139 and AW139 helicopters with certain slip rings installed. This AD requires inspecting each slip ring for chatter marks, witness marks, or scoring. Based on the findings from the inspection, the AD requires either re- identifying the slip ring by marking a letter ``T'' after the serial number or replacing the slip ring with a slip ring that is not affected by this AD. This AD is prompted by two reports of detached slip ring bodies from the supporting flange due to improperly low torque of the affected screws during installation. These actions are intended to prevent separation of the mounting flange from the slip ring body and subsequent loss of control of the helicopter. This AD was prompted by AD No. 2015-0155, dated July 28, 2015, issued by EASA, which is the Technical Agent for the Member States of the European Union, to correct an unsafe condition for the Agusta Model AB139 and AW139 helicopters. EASA advises of two incidents of the screws being found loose and broken on two Model AW139 helicopter tail rotor slip rings. EASA states that subsequent technical investigation revealed that the torque of the screws was improperly low. The slip ring manufacturer established that this occurred on the production line by improper installation of the affected screws on a number of slip rings. EASA advises that this condition, if not detected and corrected, could lead to other events of detachment of the slip ring, possibly resulting in reduced control of the helicopter. FAA's Determination These helicopters have been approved by the aviation authority of Italy and are approved for operation in the United States. Pursuant to our bilateral agreement with Italy, EASA, its technical representative, has notified us of the unsafe condition described in the EASA AD. We are issuing this AD because we evaluated all information provided by EASA and determined the unsafe condition exists and is likely to exist or develop on other helicopters of these same type designs. Related Service Information Under 1 CFR Part 51 We reviewed AgustaWestland Bollettino Technico No. 139-404, dated December 22, 2014 (BT), including Annex A Moog Service Bulletin SB 14- 02, Revision D, undated (Moog SB). The BT specifies inspecting and replacing the slip ring mounting screws and reinstalling the lockwire by complying with the Moog SB. The Moog SB advises of insufficient torqueing of the screws and incorrect lock wiring used to affix the tail rotor mountain plate to the slip ring frame. If the slip ring does not pass the inspection, the BT specifies returning the slip ring to AgustaWestland, replacing it, and marking the letter ``T'' after the serial number of the unit. AgustaWestland states that slip rings already marked with a ``T'' after the serial number or ``MOD 1'' marked in the manufacturing plate do not have to be inspected. 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. AD Requirements This AD requires within 25 hours time-in-service: Removing each slip ring, lockwire, fastener, and washer. Inspecting the wall of the mounting plate hole for a chatter mark, witness mark, or scoring. If there is a chatter mark, witness mark, or scoring, replacing the slip ring with an airworthy slip ring. Determining the depth of the mounting plate hole. If the depth exceeds the grip length of the screw, replacing the slip ring with an airworthy slip ring. Re-identifying the slip ring by marking a letter ``T'' after the serial number with permanent black pen and applying acrylic lacquer (CO81 or equivalent). This AD also prohibits installing an affected slip ring on any helicopter unless the slip ring has passed the inspections in accordance with this AD. Differences Between This AD and the EASA AD This AD requires compliance within 25 hours time-in-service; the EASA AD requires compliance within 14 days. Costs of Compliance We estimate that this AD will affect 106 helicopters of U.S. Registry. We estimate that operators may incur the following costs in order to comply with this AD. Labor costs are estimated at $85 per work hour. We estimate 3 work hours to inspect the slip ring for a cost of $255 per helicopter and $27,030 for the fleet. We estimate $56,806 in required parts and no additional labor costs to replace a slip ring. FAA's Justification and Determination of the Effective Date Providing an opportunity for public comments before adopting these AD requirements would delay implementing the safety actions needed to correct this known unsafe condition. Therefore, we found that the risk to the flying public justifies waiving notice and comment prior to the adoption of this rule because the previously described unsafe condition can adversely affect the controllability of the helicopter and the required corrective actions must be accomplished within 25 hours TIS. These helicopters have a variety of uses including offshore and emergency medical flights and are expected to accumulate 25 hours TIS within a few weeks. Since an unsafe condition exists that requires the immediate adoption of this AD, we determined that notice and opportunity for public comment before issuing this AD are impracticable and contrary to the public interest and that good cause exists for making this amendment effective in less than 30 days. 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. 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, I certify that this AD: 1. Is not a ``significant regulatory action'' under Executive Order 12866; [[Page 1494]] 2. Is not a ``significant rule'' under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); 3. Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction; 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. We prepared an economic evaluation of the estimated costs to comply with this AD and placed it in the AD docket. 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): 2016-01-06 Agusta S.p.A.: Amendment 39-18365; Docket No. FAA-2015- 8695; Directorate Identifier 2015-SW-042-AD. (a) Applicability This AD applies to Model AB139 and AW139 helicopters, certificated in any category, with a Full Icing Protection System tail rotor slip ring (slip ring) part number (P/N) 4G6420V00151, P/N 4G6420V00152, or P/N 4G6420V00153 installed, except a slip ring with a letter ``T'' after the serial number or marked with ``MOD 1.'' (b) Unsafe Condition This AD defines the unsafe condition as a loose or missing screw connecting the mounting flange and the slip ring body. This condition could result in separation of the mounting flange from the slip ring body and subsequent loss of control of the helicopter. (c) Effective Date This AD becomes effective January 28, 2016. (d) Compliance You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. (e) Required Actions Within 25 hours time-in-service: (1) Remove each slip ring from the helicopter. Remove each lockwire, fastener, and washer by following the Compliance Instructions, paragraphs 3 through 5, of Moog Service Bulletin SB 14-02, Revision D, undated, included as Annex A to Agusta Westland Bollettino Tecnico (BT) No. 139-404, dated December 22, 2014, except you are not required to discard parts. (2) Inspect the wall of the mounting plate hole for a chatter mark, witness mark, or scoring. If there is a chatter mark, witness mark, or scoring, replace the slip ring with a slip ring that is not listed in paragraph (a) of this AD. (3) Determine the depth of the mounting plate hole. If the depth exceeds the grip length of the screw, replace the slip ring with a slip ring that is not listed in paragraph (a) of this AD. (4) Re-identify the slip ring by marking a letter ``T'' after the serial number with permanent black pen and applying acrylic lacquer (CO81 or equivalent). (5) Do not install an affected slip ring on any helicopter unless the slip ring has passed the inspections in accordance with this AD. (f) Alternative Methods of Compliance (AMOCs) (1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Martin R. Crane, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy, Fort Worth, TX 76177; telephone (817) 222-5110; email [email protected]. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC. (g) Additional Information The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2015-0155, dated July 28, 2015. You may view the EASA AD on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2015-8695. (h) Subject Joint Aircraft Service Component (JASC) Code: 3060 Propeller/ Rotor Anti-ice/De-Ice System. (i) 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 the AD specifies otherwise. (i) AgustaWestland Bollettino Technico No. 139-404, dated December 22, 2014, including Annex A, Moog Service Bulletin SB 14- 02, Revision D, undated. (ii) Reserved. (3) For service information identified in this AD, contact Moog Inc., Components Group, Blacksburg Operations, 1213 North Main St., Blacksburg, Virginia 24606-3127, telephone 540/552-3011, or at www.moog.com. (4) You may view this service information at FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy, Room 6N- 321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call (817) 222-5110. (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: http://www.archives.gov/federal-register/cfr/ibr-locations.html. Issued in Fort Worth, Texas, on December 28, 2015. Lance T. Gant, Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 2016-00013 Filed 1-12-16; 8:45 am] BILLING CODE 4910-13-P
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Designation Authorization (ODA) that has DEPARTMENT OF TRANSPORTATION www.regulations.gov by searching for
been authorized by the Manager, Seattle and locating Docket No. FAA–2015–
ACO, to make those findings. To be Federal Aviation Administration 8695; or in person at the Docket
approved, the repair method, modification Operations Office between 9 a.m. and 5
deviation, or alteration deviation must meet 14 CFR Part 39 p.m., Monday through Friday, except
the certification basis of the airplane and the Federal holidays. The AD docket
[Docket No. FAA–2015–8695; Directorate
approval must specifically refer to this AD. contains this AD, the European Aviation
Identifier 2015–SW–042–AD; Amendment
(4) AMOCs approved for AD 2005–01–09 39–18365; AD 2016–01–06] Safety Agency (EASA) AD, any
are approved as AMOCs for the incorporated by reference service
corresponding provisions of paragraph (g)(1) RIN 2120–AA64
information, the economic evaluation,
of this AD. any comments received, and other
Airworthiness Directives; Agusta
(k) Related Information S.p.A. Helicopters information. The street address for the
Docket Operations Office (telephone
For more information about this AD,
AGENCY: Federal Aviation 800–647–5527) is in the ADDRESSES
contact Nathan Weigand, Aerospace
Administration (FAA), Department of section. Comments will be available in
Engineer, Airframe Branch, ANM–120S,
FAA, Seattle Aircraft Certification Office,
Transportation (DOT). the AD docket shortly after receipt.
ACTION: Final rule; request for For service information identified in
1601 Lind Avenue SW., Renton, WA 98057–
3356; phone: 425–917–6428; fax: 425–917– comments. this final rule, contact AgustaWestland,
6590; email: nathan.p.weigand@faa.gov.
Product Support Engineering, Via del
SUMMARY: We are adopting a new Gregge, 100, 21015 Lonate Pozzolo (VA)
(l) Material Incorporated by Reference airworthiness directive (AD) for Agusta Italy, ATTN: Maurizio D’Angelo;
(1) The Director of the Federal Register S.p.A. (Agusta) Model AB139 and telephone 39–0331–664757; fax 39–
approved the incorporation by reference AW139 helicopters. This AD requires 0331–664680; or at http://
(IBR) of the service information listed in this inspecting each full ice protection www.agustawestland.com/technical-
paragraph under 5 U.S.C. 552(a) and 1 CFR system tail rotor slip ring (slip ring) for bulletins; and Moog Inc., Components
part 51. chatter marks, witness marks, or Group, Blacksburg Operations, 1213
(2) You must use this service information scoring, and determining the depth of North Main St., Blacksburg, Virginia
as applicable to do the actions required by each mounting hole. Based on the 24606–3127, telephone (540) 552–3011,
this AD, unless the AD specifies otherwise. findings from the inspection, this AD or at www.moog.com. You may review
(i) Boeing Alert Service Bulletin 747– requires either re-identifying the slip the referenced service information at the
53A2494, Revision 1, dated January 9, 2015. ring or replacing the slip ring. This AD FAA, Office of the Regional Counsel,
(ii) Reserved. is prompted by two incidents of the slip Southwest Region, 10101 Hillwood
(3) For service information identified in ring body separating from the Pkwy, Room 6N–321, Fort Worth, TX
this AD, contact Boeing Commercial supporting flange due to improper 76177.
Airplanes, Attention: Data & Services torque. These actions are intended to FOR FURTHER INFORMATION CONTACT:
Management, P. O. Box 3707, MC 2H–65, prevent separation of the mounting Martin R. Crane, Aviation Safety
Seattle, WA 98124–2207; telephone 206– flange from the slip ring body and Engineer, Safety Management Group,
544–5000, extension 1; fax 206–766–5680; subsequent loss of control of the Rotorcraft Directorate, FAA, 10101
Internet https://www.myboeingfleet.com. helicopter. Hillwood Pkwy, Fort Worth, TX 76177;
(4) You may view this service information
DATES: This AD becomes effective telephone (817) 222–5110; email
at FAA, Transport Airplane Directorate, 1601
January 28, 2016. martin.r.crane@faa.gov.
Lind Avenue SW., Renton, WA. For
The Director of the Federal Register SUPPLEMENTARY INFORMATION:
information on the availability of this
approved the incorporation by reference
material at the FAA, call 425–227–1221. Comments Invited
(5) You may view this service information
of a certain document listed in this AD
that is incorporated by reference at the
as of January 28, 2016. This AD is a final rule that involves
National Archives and Records
We must receive comments on this requirements affecting flight safety, and
Administration (NARA). For information on AD by March 14, 2016. we did not provide you with notice and
the availability of this material at NARA, call ADDRESSES: You may send comments by an opportunity to provide your
202–741–6030, or go to: http:// any of the following methods: comments prior to it becoming effective.
www.archives.gov/federal-register/cfr/ibr- • Federal eRulemaking Docket: Go to However, we invite you to participate in
locations.html. http://www.regulations.gov. Follow the this rulemaking by submitting written
online instructions for sending your comments, data, or views. We also
Issued in Renton, Washington, on invite comments relating to the
comments electronically.
December 28, 2015.
• Fax: 202–493–2251. economic, environmental, energy, or
Philip Forde, • Mail: Send comments to the U.S. federalism impacts that resulted from
Acting Manager, Transport Airplane Department of Transportation, Docket adopting this AD. The most helpful
Directorate, Aircraft Certification Service. Operations, M–30, West Building comments reference a specific portion of
[FR Doc. 2016–00011 Filed 1–12–16; 8:45 am] Ground Floor, Room W12–140, 1200 the AD, explain the reason for any
BILLING CODE 4910–13–P New Jersey Avenue SE., Washington, recommended change, and include
DC 20590–0001. supporting data. To ensure the docket
asabaliauskas on DSK5VPTVN1PROD with RULES
• Hand Delivery: Deliver to the does not contain duplicate comments,
‘‘Mail’’ address between 9 a.m. and 5 commenters should send only one copy
p.m., Monday through Friday, except of written comments, or if comments are
Federal holidays. filed electronically, commenters should
submit them only one time. We will file
Examining the AD Docket in the docket all comments that we
You may examine the AD docket on receive, as well as a report summarizing
the Internet at http:// each substantive public contact with
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![1494 Federal Register / Vol. 81, No. 8 / Wednesday, January 13, 2016 / Rules and Regulations
2. Is not a ‘‘significant rule’’ under and washer by following the Compliance Main St., Blacksburg, Virginia 24606–3127,
DOT Regulatory Policies and Procedures Instructions, paragraphs 3 through 5, of Moog telephone 540/552–3011, or at
(44 FR 11034, February 26, 1979); Service Bulletin SB 14–02, Revision D, www.moog.com.
3. Will not affect intrastate aviation in undated, included as Annex A to Agusta (4) You may view this service information
Westland Bollettino Tecnico (BT) No. 139– at FAA, Office of the Regional Counsel,
Alaska to the extent that it justifies 404, dated December 22, 2014, except you are Southwest Region, 10101 Hillwood Pkwy,
making a regulatory distinction; and not required to discard parts. Room 6N–321, Fort Worth, TX 76177. For
4. Will not have a significant (2) Inspect the wall of the mounting plate information on the availability of this
economic impact, positive or negative, hole for a chatter mark, witness mark, or material at the FAA, call (817) 222–5110.
on a substantial number of small entities scoring. If there is a chatter mark, witness (5) You may view this service information
under the criteria of the Regulatory mark, or scoring, replace the slip ring with that is incorporated by reference at the
Flexibility Act. a slip ring that is not listed in paragraph (a) National Archives and Records
We prepared an economic evaluation of this AD. Administration (NARA). For information on
of the estimated costs to comply with (3) Determine the depth of the mounting the availability of this material at NARA, call
plate hole. If the depth exceeds the grip (202) 741–6030, or go to: http://
this AD and placed it in the AD docket.
length of the screw, replace the slip ring with www.archives.gov/federal-register/cfr/ibr-
List of Subjects in 14 CFR Part 39 a slip ring that is not listed in paragraph (a) locations.html.
of this AD.
Air transportation, Aircraft, Aviation (4) Re-identify the slip ring by marking a Issued in Fort Worth, Texas, on December
safety, Incorporation by reference, letter ‘‘T’’ after the serial number with 28, 2015.
Safety. permanent black pen and applying acrylic Lance T. Gant,
lacquer (CO81 or equivalent). Manager, Rotorcraft Directorate, Aircraft
Adoption of the Amendment (5) Do not install an affected slip ring on Certification Service.
Accordingly, under the authority any helicopter unless the slip ring has passed [FR Doc. 2016–00013 Filed 1–12–16; 8:45 am]
delegated to me by the Administrator, the inspections in accordance with this AD.
BILLING CODE 4910–13–P
the FAA amends 14 CFR part 39 as (f) Alternative Methods of Compliance
follows: (AMOCs)
(1) The Manager, Safety Management DEPARTMENT OF TRANSPORTATION
PART 39—AIRWORTHINESS Group, FAA, may approve AMOCs for this
DIRECTIVES AD. Send your proposal to: Martin R. Crane, Federal Aviation Administration
Aviation Safety Engineer, Safety Management
■ 1. The authority citation for part 39 Group, Rotorcraft Directorate, FAA, 10101 14 CFR Part 39
continues to read as follows: Hillwood Pkwy, Fort Worth, TX 76177;
Authority: 49 U.S.C. 106(g), 40113, 44701. telephone (817) 222–5110; email 9-ASW- [Docket No. FAA–2015–1990; Directorate
FTW-AMOC-Requests@faa.gov. Identifier 2015–NM–027–AD; Amendment
§ 39.13 [Amended] (2) For operations conducted under a 14 39–18364; AD 2016–01–05]
■ 2. The FAA amends § 39.13 by adding CFR part 119 operating certificate or under
14 CFR part 91, subpart K, we suggest that RIN 2120–AA64
the following new airworthiness you notify your principal inspector, or
directive (AD): lacking a principal inspector, the manager of Airworthiness Directives; The Boeing
2016–01–06 Agusta S.p.A.: Amendment 39– the local flight standards district office or Company Airplanes
18365; Docket No. FAA–2015–8695; certificate holding district office, before
Directorate Identifier 2015–SW–042–AD. operating any aircraft complying with this AGENCY: Federal Aviation
AD through an AMOC. Administration (FAA), DOT.
(a) Applicability
(g) Additional Information ACTION: Final rule.
This AD applies to Model AB139 and
AW139 helicopters, certificated in any The subject of this AD is addressed in
European Aviation Safety Agency (EASA) AD
SUMMARY: We are adopting a new
category, with a Full Icing Protection System
tail rotor slip ring (slip ring) part number (P/ No. 2015–0155, dated July 28, 2015. You may airworthiness directive (AD) for certain
N) 4G6420V00151, P/N 4G6420V00152, or P/ view the EASA AD on the Internet at The Boeing Company Model 737–400
N 4G6420V00153 installed, except a slip ring http://www.regulations.gov by searching for series airplanes, as modified by a certain
with a letter ‘‘T’’ after the serial number or and locating it in Docket No. FAA–2015– supplemental type certificate. This AD
marked with ‘‘MOD 1.’’ 8695. was prompted by the discovery of a
(b) Unsafe Condition (h) Subject design drawing error regarding placards
that identified incorrect squibs and
This AD defines the unsafe condition as a Joint Aircraft Service Component (JASC)
loose or missing screw connecting the Code: 3060 Propeller/Rotor Anti-ice/De-Ice pressure switches for certain fire
mounting flange and the slip ring body. This System. extinguisher bottles. This AD requires a
condition could result in separation of the detailed inspection of certain cargo
(i) Material Incorporated by Reference placards to determine if they are the
mounting flange from the slip ring body and
subsequent loss of control of the helicopter. (1) The Director of the Federal Register correct placards and in the correct
approved the incorporation by reference of location, a detailed inspection of the
(c) Effective Date the service information listed in this
harnesses to verify that they are marked
This AD becomes effective January 28, paragraph under 5 U.S.C. 552(a) and 1 CFR
part 51. and installed correctly, and corrective
2016.
(2) You must use this service information action if necessary. We are issuing this
(d) Compliance as applicable to do the actions required by AD to detect and correct incorrectly
asabaliauskas on DSK5VPTVN1PROD with RULES
You are responsible for performing each this AD, unless the AD specifies otherwise. installed harnesses for the cargo fire
action required by this AD within the (i) AgustaWestland Bollettino Technico suppression system bottles, which could
specified compliance time unless it has No. 139–404, dated December 22, 2014, result in an incorrect activation
already been accomplished prior to that time. including Annex A, Moog Service Bulletin sequence of the bottles, the inability to
SB 14–02, Revision D, undated.
(e) Required Actions suppress a cargo fire quickly, and a
(ii) Reserved.
Within 25 hours time-in-service: (3) For service information identified in possible uncontrollable fire.
(1) Remove each slip ring from the this AD, contact Moog Inc., Components DATES: This AD is effective February 17,
helicopter. Remove each lockwire, fastener, Group, Blacksburg Operations, 1213 North 2016.
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Document Created: 2016-01-13 01:00:35
Document Modified: 2016-01-13 01:00:35
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final rule; request for comments. | |
| Dates | This AD becomes effective January 28, 2016. | |
| Contact | Martin R. Crane, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy, Fort Worth, TX 76177; telephone (817) 222-5110; email [email protected] | |
| FR Citation | 81 FR 1492 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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