Airworthiness directives › 2016-11-21
AD 2016-11-21 Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) (Airbus Helicopters)
Applicability*9
This AD becomes effective July 11, 2016.
Compliance
Special flight permits are limited to a one-time flight to a maintenance facility to replace a part that has reached its life limit.
Required actions
(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.
Unsafe condition
Before further flight: (1) Revise the life limit of each part listed in paragraphs (e)(1)(i) and (ii) in the Airworthiness Limitations Section of the applicable maintenance manual and record the revised life limit on the component history card or equivalent record as follows: (i) For swashplate parts: (A) Ring (bearing ring), part number (P/N) L623M2001214, reduce the life limit from 8,300 hours time-in-service (TIS) to 8,000 hours TIS. (B) Ring (control ring), P/N L623M2001213, reduce the life limit from 8,300 hours TIS to 8,000 hours TIS. (C) Cardan ring (two-part), P/N L623M2005205, reduce the life limit from 14,400 hours TIS to 12,900 hours TIS. (D) Bolt (control ring), P/N L671M7001215, reduce the life limit from 14,400 hours TIS to 12,900 hours TIS. (E) Bolt (sliding sleeve), P/N L623M2006206 and P/N L623M2006213, reduce the life limit from 14,400 hours TIS to 12,900 hours TIS. (ii) For mixing lever gear unit parts: (A) Forked lever assembly, P/N L671M3012102, reduce the life limit from 9,000 hours TIS to 8,700 hours TIS. (B) Hinged support, P/N L671M7003210, reduce the life limit from 8,700 hours TIS to 8,400 hours TIS. (C) Bolt, P/N L671M7001220, reduce the life limit from 8,700 hours TIS to 8,400 hours TIS. (2) Remove from service any part listed in paragraph (e)(1) of this AD that has reached or exceeded its newly revised life limit.
Affected ADs
This AD defines the unsafe condition as failure of a critical part, which could result in loss of control of the helicopter.
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