AD 2024-23-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters, LLC, Helicopters |
Unsafe Condition
Seized and damaged roller bearing in the torque tube assembly, which could result in reduced controllability and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the torque tube for corrosion and cracks, and replace if found. Visually inspect roller bearings for corrosion and degradation, and replace if found. Perform a freedom-of-movement inspection on the torque tube assembly, including disconnecting and reconnecting components, and inspect for binding or ratcheting. If binding or ratcheting is found, inspect roller bearings for damage and replace if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service (TIS) or within one year after the effective date of this AD, whichever occurs first, and thereafter at intervals not to exceed 100 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MD Helicopters, LLC, Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters, certificated in any category, with a pilot interconnecting cyclic torque tube (torque tube) part number 369H7133-7 installed.
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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