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Airworthiness directives › 2014-03-01

AD 2014-03-01 Airworthiness Directives; Agusta S.p.A. Helicopters

2014-04-07
2014-03-03
39-17738
FAA-2012-0886
Airframe
—

Applicability*9

This AD becomes effective April 7, 2014.

Compliance

(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Sharon Miles, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, TX 76137; telephone (817) 222-5110; email sharon.y.miles@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) AD No. 2008-0148, dated August 5, 2008. You may view the EASA AD on the Internet at http://www.regulations.gov in Docket No. FAA-2012-0886.

Unsafe condition

(1) Within 200 hours time-in-service, remove the WSPS upper installation, P/N 4G9540A00111, including top cable cutter assembly, P/N 423-83001-1. (2) Before installing a WSPS upper installation, P/N 4G9540A00111, either: (i) Rework the top cable cutter assembly, P/N 423-83001-1, in accordance with the Compliance Instructions, paragraph 3.1 through 3.5, and Figure 1 of Agusta Bolletino Technico No. 139-126, dated June 20, 2008. Re-identify the top cable cutter assembly in a visible and permanent way by adding “BT 139-126 Rev./” or “FAA” at the end of the part number; or (ii) Replace the top cable cutter assembly, P/N 423-83001-1, with an airworthy top cable cutter assembly that has been reworked and re-identified in accordance with paragraph (e)(2)(i) of this AD. (3) Do not install a top cable cutter assembly, P/N 423-83001-1, on any helicopter unless it has been reworked and re-identified in accordance with paragraph (e)(2)(i) of this AD.

Affected ADs

This AD defines the unsafe condition as in-flight contact between the top cable cutter assembly and main rotor (M/R) blades. This condition could result in damage to the M/R blades and subsequent loss of helicopter control.

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