Airworthiness directives › 2014-01-02
AD 2014-01-02 Airworthiness Directives; Eurocopter Deutschland GmbH Helicopters
Applicability*9
This AD becomes effective March 3, 2014.
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, 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.
Required actions
(1) Eurocopter Service Bulletin EC135-21-015, Revision 0, dated July 12, 2011, which is not incorporated by reference, contains additional information about the subject of this AD. You may review a copy of this service information at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas 76137. For information on the availability of this material at the FAA, call (817) 222-5110. (2) The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2011-0111R1, dated September 22, 2011. You may view a copy of the EASA AD in the AD Docket on the Internet at http:/www.regulations.gov in Docket No. FAA-2013-0634.
Unsafe condition
Within 25 hours time-in-service (TIS): (1) Visually inspect the upper bearing for corrosion, leaking grease, condensation, or water. (2) If there is condensation but no corrosion, leaking grease, or water, repeat this inspection at intervals not to exceed 25 hours TIS. (3) If there is no corrosion, leaking grease, condensation, or water, repeat this inspection at intervals not to exceed 100 hours TIS. (4) If there is corrosion, leaking grease, or water, deactivate the air conditioning system in accordance with the Accomplishment Instructions, Section 3.B.3, Paragraphs (a) through (ai) of Eurocopter Emergency Alert Service Bulletin No. EC135-21A-013, Revision 0, dated June 6, 2011.
Affected ADs
This AD defines the unsafe condition as metallic debris in the engine inlet areas. This condition could result in failure of an engine, loss of engine power, and subsequent loss of helicopter control.
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