Airworthiness directives › 2019-03-12
AD 2019-03-12 Airworthiness Directives; Airbus Helicopters
Applicability*9
This AD becomes effective April 11, 2019.
Compliance
(1) The Manager, Safety Management Section, Rotorcraft Standards Branch, FAA, may approve AMOCs for this AD. Send your proposal to David Hatfield, Aviation Safety Engineer, Safety Management Section, Rotorcraft Standards Branch, 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 No. 05A050, Revision 0, dated July 22, 2016, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, 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.helicopters.airbus.com/website/en/ref/Technical-Support_73.html. 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. (2) The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2016-0200, dated October 11, 2016. You may view the EASA AD on the internet at http://www.regulations.gov in Docket No. FAA-2018-0694.
Unsafe condition
Before further flight, and thereafter at intervals not to exceed 6 months: (1) Clean each bellcrank and pivot link and inspect each bellcrank hole for corrosion. If there is any corrosion in a bellcrank hole: (i) Remove the corrosion without exceeding a maximum depth of 0.1 millimeter (0.004 inch). (ii) Clean each pivot link using 400-grain abrasive paper. (iii) Apply corrosion protectant (Alodine 1200 or equivalent) to each bellcrank hole. (2) Lubricate each bellcrank hole with grease before assembling the bellcrank.
Affected ADs
This AD defines the unsafe condition as a jammed bellcrank in a life raft jettison inflation cylinder percussion system (bellcrank). This condition could result in failure of a life raft to release in an emergency and subsequent injury to occupants.
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