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Airworthiness directives › 2015-23-02

AD 2015-23-02 Airworthiness Directives; Agusta S.p.A. Helicopters

2015-11-24
2015-11-09
39-18318
FAA-2015-3969
Airframe
—

Applicability*9

This AD becomes effective November 24, 2015.

Compliance

(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Wilbanks, Aviation Safety Engineer, Regulations and Policy Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; 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.

Required actions

(1) AgustaWestland Bollettino Tecnico No. 412-140, dated March 11, 2014, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, contact AgustaWestland, Product Support Engineering, Via del Gregge, 100, 21015 Lonate Pozzolo (VA) Italy, ATTN: Maurizio D'Angelo; telephone 39-0331-664757; fax 39-0331-664680; or at http://www.agustawestland.com/technical-bulletins. You may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. (2) The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2014-0063-E, dated March 12, 2014. You may view the EASA AD on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2015-3969.

Unsafe condition

Within 10 hours time-in-service (TIS) and thereafter at intervals not to exceed 25 hours TIS: (1) Inspect the hydraulic external hoist pressure line filter for metal particles. (2) If there are any metal particles, before further flight, flush the utility hydraulic system, replace the pressure line pump, and replace the filter.

Affected ADs

This AD defines the unsafe condition as failure of a hydraulic external hoist pressure line pump. This condition, if not detected and prevented, could result in loss of hydraulic pressure and subsequent injury to persons being lifted in the hoist.

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