Airworthiness directives › 2017-09-07
AD 2017-09-07 Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Applicability*9
This AD becomes effective June 14, 2017.
Compliance
(1) The Manager, Safety Management Group, FAA, may approve AMOCs for this AD. Send your proposal to: George Schwab, Aviation Safety Engineer, Safety Management Group, Rotorcraft Directorate, FAA, 10101 Hillwood Pkwy, Fort Worth, TX 76177; telephone (817) 222-5110; 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
The subject of this AD is addressed in European Aviation Safety Agency (EASA) AD No. 2015-0144, dated July 21, 2015. You may view the EASA AD on the Internet at http://www.regulations.gov in Docket No. FAA-2016-6436.
Unsafe condition
Within 100 hours time-in-service, remove the pilot collective lever and visually inspect the pilot collective lever wiring harness for proper installation of the heat-shrinkable sleeve and transparent sleeve and for damage in accordance with paragraph 3.B.2.1 and as depicted in Figure 2 of Airbus Helicopters Alert Service Bulletin MBB-BK117 C-2-88A-010, Revision 1, dated April 16, 2015 (ASB). (1) If the heat-shrinkable sleeve and transparent sleeve are installed as depicted in Figure 2 of the ASB and there is no damage, install the collective lever in accordance with paragraphs 3.B.2.3.a through 3.B.2.3.f of the ASB. (2) If the heat-shrinkable sleeve or transparent sleeve is installed as depicted in Figure 3, Detail B of the ASB, alter the heat-shrinkable sleeve as depicted in Figure 3, Detail C. (3) If the transparent sleeve is damaged as depicted in Figure 4, Detail D of the ASB, replace the heat-shrinkable sleeve, transparent sleeve, and identification sleeve. Replace any wire that has a nick, scratch, cut, or is frayed.
Affected ADs
This AD defines the unsafe condition as an incorrectly installed heat-shrinkable sleeve on the collective lever wiring harness. This condition could result in chafing of the wiring and subsequent failure of the hoist cable cutter or emergency landing gear flotation systems.
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