Airworthiness directives › 2019-03-05
AD 2019-03-05 Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Applicability*9
This AD becomes effective March 26, 2019.
Compliance
(1) The Manager, Safety Management Section, Rotorcraft Standards Branch, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Fuller, Senior 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) Bell Helicopter Alert Service Bulletin No. 429-15-24, Revision A, dated September 23, 2015, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, contact Bell Helicopter Textron Canada Limited, 12,800 Rue de l'Avenir, Mirabel, Quebec J7J1R4; telephone (450) 437-2862 or (800) 363-8023; fax (450) 433-0272; or at http://www.bellcustomer.com/files/ . 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 Transport Canada AD No. CF-2016-07, dated March 4, 2016. You may view the Transport Canada AD on the internet at http://www.regulations.gov in Docket No. FAA-2018-0647.
Unsafe condition
Before further flight, remove from service any NLG assembly P/N 429-336-100-101 that has reached or exceeded 4,500 hours time-in-service (TIS) or 50,000 retirement index number (RIN). Thereafter, remove from service each NLG assembly P/N 429-336-100-101 before accumulating 4,500 hours TIS or 50,000 RIN, whichever occurs first. For purposes of this AD, for every normal retraction or extension of the wheeled landing gear system, add one RIN.
Affected ADs
This AD defines the unsafe condition as fatigue failure of an NLG assembly, which could result in subsequent damage to and loss of control of the helicopter.
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