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Airworthiness directives › 2013-21-06

AD 2013-21-06 Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters

2014-01-31
2013-12-27
39-17630
FAA-2013-0340
Airframe
—

Applicability*9

This AD becomes effective January 31, 2014.

Compliance

Special flight permits would be allowed provided the hoist is disabled during the ferry flight.

Required actions

(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Wilbanks, Aviation Safety Engineer, Rotorcraft Certification Office, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5110; email matt.wilbanks@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

(1) Before further flight, and thereafter before the first flight of each day until you have performed the inspection required by paragraph (e)(2) of this AD, clean the hoist and visually check for a crack, paying particular attention to the areas that are circled as depicted in Figure 1 to paragraph (e) of this AD. The actions required by this paragraph may be performed by the owner/operator (pilot) holding at least a private pilot certificate, and must be entered into the aircraft records showing compliance with this AD in accordance with 14 CFR 43.9(a)(1)-(4) and 14 CFR 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439. BILLING CODE 4910-13-P ER27DE13.000 BILLING CODE 4910-13-C (2) Within 30 days, perform a dye penetrant inspection of the boom in accordance with the Accomplishment Instructions, Section 2.D, of the Goodrich Service Bulletin 44307-500-03, Revision 2, dated April 30, 2010 (SB). Note 1 to paragraph (e)(2) of this AD: A copy of the SB is attached to Eurocopter Emergency Alert Service Bulletin (EASB) EC135-85A-036, Revision 2, and Eurocopter EASB MBB BK117 C-2-85A-024, Revision 1, both dated June 23, 2010. (3) If a crack exists in the boom, replace the cracked boom with an airworthy boom before further flight.

Affected ADs

This AD defines the unsafe condition as a crack in the boom. This condition could result in loss of the boom and attached loads, and subsequent loss of helicopter control.

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