AD Amdt-39-10675
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | Helicopter Systems Model 369A | Airworthiness Directives; McDonnell Douglas Helicopter Systems Model 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6A Helicopters |
Unsafe Condition
Fatigue cracks in main rotor blade could lead to blade failure and subsequent loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect main rotor blades for cracks, missing or cracked adhesive or paint. Record torque events (TE). Establish shorter retirement life for certain blades.
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
McDonnell Douglas Helicopter Systems Models 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N, and OH-6A helicopters excluding Model 369 (Army YOH-6A)
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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