Airworthiness directives › 2017-05-03
AD 2017-05-03 Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter Deutschland GmbH)
Applicability*9
This AD becomes effective March 17, 2017.
Compliance
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Fuller, Senior Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone (817) 222-5110; email 9-ASW-FTW-AMOC-Requests@faa.gov. (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.
Required actions
(1) Airbus Helicopters Emergency Alert Service Bulletin (EASB) BO105-10A-128 for Model BO105C, D, and S helicopters and EASB BO105 LS-10A-016 for Model BO105 LS A-3 helicopters, both Revision 0, and dated June 16, 2016, which are not incorporated by reference, contain additional information about the subject of this final rule. For service information identified in this final rule, contact Airbus Helicopters, 2701 N. Forum Drive, Grand Prairie, TX 75052; telephone (972) 641-0000 or (800) 232-0323; fax (972) 641-3775; or at http://www.airbushelicopters.com/techpub. You may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. (2) The subject of this AD is addressed in European Aviation Safety Agency (EASA) Emergency AD No. 2016-0118-E, dated June 17, 2016. You may view the EASA AD on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2017-0155.
Unsafe condition
Within 10 hours TIS, and thereafter at intervals not to exceed 50 hours TIS: (1) Inspect by tap test each MRB for debonding of the shell. (2) If the shell has debonded in any area, before further flight, repair any debonding that does not exceed the maximum repair damage limits, or replace the MRB.
Affected ADs
This AD defines the unsafe condition as debonding of the shell of an MRB. This condition could result in loss of the shell in-flight, which could strike the tailboom or tail rotor, resulting in loss of tail rotor control, high main rotor vibration, and subsequent loss of control of the helicopter.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1