AD Amdt-39-17964

final rule
Data completeness: 80%

Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters

AD Number
Amdt-39-17964
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2014-0216
FR Citation
79 FR 54893

Applicability

TypeManufacturerModelDetails
aircraft Sikorsky S-92A Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Helicopters

Unsafe Condition

An incorrectly installed clamp that does not provide adequate clearance to prevent chafing between the high voltage electrical lines and the hydraulic hoses. This condition could result in a fire in an area of the helicopter without extinguishing capability and subsequent loss of control of the helicopter.

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

Required Actions

Within 5 hours time-in-service, inspect the electrical wires and hydraulic lines in the upper deck for chafing. Replace unairworthy wires or lines if chafing is found. Within 5 hours TIS, inspect each clamp for correct installation as shown in Figures 1 through 13 of ASB No. 92-20-001. If clamps are incorrectly installed or missing, install them following the Accomplishment Instructions in the ASB. After each maintenance requiring clamp removal, repeat the inspections.

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

Compliance Time

Within 5 hours time-in-service

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

Affected Aircraft

Sikorsky Model S-92A helicopters, serial numbers 920006 through 920084, 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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