Airworthiness directives › 2012-14-14
AD 2012-14-14 Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters
Applicability*9
This AD becomes effective August 31, 2012.
Compliance
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: George Schwab, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222-5110; email george.schwab@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 the European Aviation Safety Agency (EASA) AD No. 2011-0126, dated July 1, 2011; EASA AD No. 2011-0131, dated July 8, 2011; and EASA AD No. 2011-0148, dated August 5, 2011.
Unsafe condition
(1) Before the next hoist operation or within 30 days, whichever comes first, comply with either paragraph (1)(i), (1)(ii), or (1)(iii): (i) Deactivate the hoist system by pulling the CABLE CUTTER, WINCH CONT, and WINCH BOOM circuit breakers and securing each circuit breaker with a cable tie; or (ii) Deactivate the hoist system by removing the hoist boom from the helicopter; or (iii) Deactivate the external hoist operator handle cable-cutter function by accomplishing the following: (A) Modify the helicopter wiring and the operator handle, P/N 76803, in accordance with the Accomplishment Instructions, Paragraph 3.B.1 (b), of Eurocopter Emergency Alert Service Bulletin MBB-BK117-80-166, Revision 1, dated August 4, 2011 (ASB). (B) Inspect the operator handle P/N 76803 and the coiled cable of the operator handle for damage in accordance with Paragraph 3.B.1.(a)(2) of the ASB. Damage is also defined as any condition that could prevent the part's ability to perform its intended function. (1) If the operator handle or the coiled cable of the operator handle has damage, replace the operator handle with an airworthy operator handle P/N 76803, before the next hoist operation. (2) At intervals not to exceed 30 days, repeat the inspection in Paragraph (1)(iii)(B) of the Required Actions section of this AD. (2) Before installing an affected hoist system on any helicopter, comply with Paragraph (1) of the Required Actions section of this AD. (3) Before installing an operator handle P/N 76803 on any helicopter, comply with Paragraph (1)(iii)(A) of the Required Actions section of this AD.
Affected ADs
This AD defines the unsafe condition as an uncommanded cutting of the hoist cable. This condition could result in loss of the helicopter hoist and load and subsequent injury to persons being lifted by the hoist.
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