AD 2000-10-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters Inc. Model MD900 Helicopters |
Unsafe Condition
Drive shafts with no assembly part number marked could remain in service past their life limit, leading to fatigue failure and total loss of drive to the main rotor hub, resulting in 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 drive shaft assembly to determine the part number. Mark the drive shaft assembly part number and serial number if unmarked. Create a component history card for the drive shaft assembly. Replace the drive shaft assembly if it has reached its life limit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before accumulating 1,450 hours time-in-service (TIS) or before further flight if TIS equals or exceeds 1,450 hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MD Helicopters Inc. Model MD900 helicopters, certificated in any category.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.