AD Amdt-39-10092

final rule
Data completeness: 70%

Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

AD Number
Amdt-39-10092
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 97-SW-19-AD
FR Citation
62 FR 41260

Applicability

TypeManufacturerModelDetails
aircraft Robinson Helicopter Company Model R44 Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters

Unsafe Condition

Prematurely worn sprag clutches may fail to lock in the driving direction or fail to unlock in the overrunning direction, leading to loss of power to the main rotor system or inability to autorotate.

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

Required Actions

Inspect belt tension actuator switches (up-limit switches) for proper operation and replace if necessary. Replace certain part-numbered clutch assemblies.

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

Compliance Time

Before further flight

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

Affected Aircraft

Robinson Helicopter Company Model R44 helicopters

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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