AD 2016-21-02

final rule
Data completeness: 80%

Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

AD Number
2016-21-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2016-6640
FR Citation
81 FR 71591

Applicability

TypeManufacturerModelDetails
aircraft Sikorsky Aircraft Corporation Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

Unsafe Condition

Inadvertent tripping of a fire bottle inertia-switch, resulting in unintentional and undetected fire bottle discharge and subsequent unavailability of fire suppression in the event of a fire.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Alter each fire bottle inertia switch by following the Accomplishment Instructions in Sikorsky Alert Service Bulletin 92-26-005A, Revision A, dated June 27, 2014. Perform a cartridge functional test.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 90 days

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Sikorsky Aircraft Corporation Model S-92A helicopters, serial number 920006 through 920250, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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