Airworthiness directives › 2013-20-17
AD 2013-20-17 Airworthiness Directives; Eurocopter Deutschland GmbH (ECD) Helicopters
Applicability*9
This AD becomes effective December 13, 2013.
Compliance
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: Chinh Vuong, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5110; email chinh.vuong@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) ECD Alert Service Bulletin No. BO105-60-110, Revision 1, dated March 3, 2010, which is not incorporated by reference, contains additional information about the subject of this AD. For service information identified in this AD, contact American Eurocopter Corporation, 2701 N. Forum Drive, Grand Prairie, TX 75052; telephone (972) 641-0000 or (800) 232-0323; fax (972) 641-3775; or at http://www.eurocopter.com/techpub. 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) AD No. 2010-0128, dated June 25, 2010. You may view the EASA AD on the internet in the AD Docket at http://www.regulations.gov.
Unsafe condition
Within 30 days: (1) For BO105C-2 and BO105CS-2 Variant helicopters, revise the Rotorcraft Flight Manual (RFM), Section 2, Limitations Section, by inserting page 2-25 of ECD Flight Manual BO 105 C/CS, revision 5, dated March 12, 2010. (2) For BO105CB-2 and BO105CBS-2 Variant helicopters, revise the RFM, Section 2, Limitations Section, by inserting pages 2-8 and 2-27 of ECD Flight Manual BO 105 CB/CBS, revision 8, dated March 12, 2010. (3) Install a placard on the instrument panel next to the triple RPM indicator that states: MIN. CONTINUOUS 98% N 2 —MIN. TRANSIENT 95% N 2 .
Affected ADs
This AD defines the unsafe condition as a third stage turbine vibration, which could result in turbine failure, engine power loss and subsequent loss of control of the helicopter.
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