AD Amdt-39-10908

final rule
Data completeness: 70%

Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

AD Number
Amdt-39-10908
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-SW-45-AD
FR Citation
63 FR 64849

Applicability

TypeManufacturerModelDetails
aircraft Robinson Helicopter Company Model R22 Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters

Unsafe Condition

Flexible vent tube kinking, leading to fuel starvation and uncommanded engine shutdown.

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

Required Actions

Install fuel tank vent tube(s) with modified attachment to the mast tube if not previously done. Install a spring into the flexible tube leading to the main fuel tank. Install a spring into the flexible tube leading to the auxiliary fuel tank, if installed.

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 R22 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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