Airworthiness directives › 2016-21-02
AD 2016-21-02 Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
Applicability*9
This AD becomes effective November 22, 2016.
Compliance
Compliance with Sikorsky Alert Service Bulletin 92-26-005, Basic Issue, dated June 18, 2014, before the effective date of this AD is considered acceptable for compliance with the actions specified in paragraph (e) of this AD.
Required actions
(1) The Manager, Boston Aircraft Certification Office, FAA, may approve AMOCs for this AD. Send your proposal to: Kris Greer, Aviation Safety Engineer, Boston Aircraft Certification Office, Engine & Propeller Directorate,1200 District Avenue, Burlington, Massachusetts 01803; telephone (781) 238-7799; email kristopher.greer@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.
Unsafe condition
Within 90 days: (1) Alter each fire bottle inertia switch by following the Accomplishment Instructions, paragraph 3.B., of Sikorsky Alert Service Bulletin 92-26-005A, Revision A, dated June 27, 2014. (2) Perform a cartridge functional test.
Affected ADs
This AD defines the unsafe condition as inadvertent tripping of a fire bottle inertia-switch. This condition results in an unintentional and undetected fire bottle discharge and subsequent unavailability of fire suppression in the event of a fire.
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