AD 2024-23-01

final rule
Data completeness: 80%

Airworthiness Directives; Robinson Helicopter Company

AD Number
2024-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2024-1477
FR Citation
89 FR 95717

Applicability

TypeManufacturerModelDetails
aircraft Robinson Helicopter Company Model R44 and R44 II Airworthiness Directives; Robinson Helicopter Company

Unsafe Condition

Failed rivets attaching the clutch actuator bracket to the fan scroll housing, caused by excessive vibration of the fan scroll housing due to the design of the fan scroll housing, including the quantity and size of the rivets.

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

Required Actions

Inspecting each bracket for looseness and fretting, inspecting the fiberglass and rivet holes of the fan scroll housing for delamination, inspecting the quantity and size of the fan scroll housing rivets, replacing the fan scroll housing, replacing brackets and rivets, and applying a horizontal torque stripe to each rivet.

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

Robinson Helicopter Company Model R44 and R44 II helicopters, with certain serial-numbered helicopters, and with riveted A185-1, A185-2, and A185-5 brackets installed to the fan scroll housing with rivets.

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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