Airworthiness directives › 2014-05-08
AD 2014-05-08 Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) (Airbus Helicopters)
Applicability*9
This AD becomes effective April 15, 2014.
Compliance
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Gary Roach, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5110; email gary.b.roach@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
The subject of this AD is addressed in European Aviation Safety Agency (EASA) Emergency AD No. 2012-0046-E, dated March 21, 2012. You may view the EASA AD on the Internet at www.regulations.gov in Docket No. FAA-2013-0573.
Unsafe condition
Within 10 hours time-in-service, replace the 3.2 mm rivets, part-number (P/N) 21215DC3200J, of the RH and LH longitudinal beams Y350 of the bottom structure with 4.8 mm rivets, P/N 21215DC4800J, as shown in Figures 2 and 3 of Eurocopter Emergency Alert Service Bulletin No. 01.00.81, Revision 0, dated March 19, 2012.
Affected ADs
This AD defines the unsafe condition as non-conforming rivets installed on the left-hand (LH) and right-hand (RH) Y350 longitudinal beams (longitudinal beams Y350) of the bottom structure. This condition could result in failure of the web/flange assembly connections of the longitudinal beams Y350 and subsequent loss of control of the helicopter.
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