AD 2003-16-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters, Inc., Model 600N Helicopters |
Unsafe Condition
Failure of the main rotor drive shaft, leading to loss of drive to the main rotor hub 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
Revise the component history card or equivalent record for the drive shaft, part number 600N5510-1, by changing the life limit from 16,000 to 14,000 hours time-in-service (TIS). Replace any drive shaft with 14,000 or more hours TIS with an airworthy drive shaft before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service, unless accomplished previously.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MD Helicopters, Inc., Model 600N helicopters with main rotor drive shaft assembly, part number 600N5510-1, installed.
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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