AD Amdt-39-17964
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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Compliance Time
Within 5 hours time-in-service
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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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