Airworthiness directives › 2014-12-09
AD 2014-12-09 Airworthiness Directives; Agusta S.p.A. (Agusta) Helicopters
Applicability*9
This AD becomes effective July 7, 2014.
Compliance
(1) The Manager, Rotorcraft Standards Staff, FAA, may approve AMOCs for this AD. Send your proposal to: Tyrone Millard, Aviation Safety Engineer, Rotorcraft Standards Staff, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5110; email tyrone.d.millard@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. 412-137, dated November 26, 2013, 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-bullettins. You may review a copy of the service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth Texas 76137. (2) The subject of this AD is addressed in European Aviation Safety Agency (EASA) Emergency AD No. 2013-0282-E, dated November 27, 2013. You may view the EASA AD on the internet at http://www.regulations.gov in Docket No. FAA-2014-0379.
Unsafe condition
(1) Within 10 hours time-in-service (TIS), and thereafter at intervals not to exceed 100 hours TIS: (i) If installed, remove the external cargo suspension hook. In the cargo hook opening, underneath the transmission oil sump, slide the data plate and clear sleeve, if installed, aside and, using a light, inspect the stainless steel hose braiding for damage, fretting, or a broken wire. (ii) If the stainless steel hose braiding has any damage, fretting, or a broken wire, before further flight, replace the hose. (2) Within 35 hours TIS, and thereafter at intervals not to exceed 25 hours TIS: (i) Through the left side pylon door, using a light and a mirror, inspect the stainless steel hose braiding for damage, fretting, or a broken wire. (ii) If the stainless steel hose braiding has any damage, fretting, or a broken wire, before further flight, replace the hose.
Affected ADs
This AD defines the unsafe condition as hose failure, which could result in loss of main gear box (MGB) lubrication, failure of the MGB, and subsequent loss of control of the helicopter.
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