AD 2024-19-11

final rule
Data completeness: 80%

Airworthiness Directives; Robinson Helicopter Company Helicopters

AD Number
2024-19-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2024-0237
FR Citation
89 FR 78785

Applicability

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

Unsafe Condition

A fractured clutch shaft forward yoke on the main rotor drive due to fatigue cracking.

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

Required Actions

Visually inspect a certain part-numbered flex plate assembly and certain part-numbered yokes, including each flex plate bolt, and depending on the inspection results, remove an affected part from service and replace an affected part with an airworthy part. Remove a certain part-numbered yoke from service after accumulating a certain number of hours time-in-service (TIS) or a certain number of years, or as an alternative to removing the part from service, perform a 10x or higher power magnification visual inspection and, if needed, a magnetic particle inspection.

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

All Robinson Helicopter Company Model R44 and R44 II helicopters, with serial numbers 30001 and subsequent, and certain part-numbered yokes.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.