Airworthiness directives › 2012-07-01
AD 2012-07-01 Airworthiness Directives; Agusta S.p.A. Helicopters
Applicability*9
This airworthiness directive (AD) becomes effective April 20, 2012.
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 Part 119 operating certificate or under 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) Agusta Bollettino Tecnico 412-130, dated December 20, 2010, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, contact Agusta Westland, Customer Support & Services, Via Per Tornavento 15, 21019 Somma Lombardo (VA) Italy, ATTN: Giovanni Cecchelli; telephone 39-0331-711133; fax 39 0331 711180; or at http://www.agustawestland.com/technical-bullettins. You may review a copy of the referenced 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 the European Aviation Safety Agency Emergency AD No.: 2010-0272-E, dated December 22, 2010.
Unsafe condition
Before further flight, replace any affected blade with an airworthy blade, defined as one that has a part number and a serial number not listed in the Applicability section of this AD.
Affected ADs
This AD defines the unsafe condition as separation of the tail rotor blade (blade) tip weight from a blade in flight, causing vibration. This condition could result in loss of a tail rotor blade and subsequent loss of control of the helicopter.
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