AD 2003-05-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
Unsafe Condition
Cracking in certain tailbooms that have not been redesigned may lead to separation of the tailboom 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
Inspect for cracks in specified tailbooms during preflight and repetitive inspections. Replace the tailboom if a crack is found. Modify and re-identify certain tailbooms, and install an improved horizontal stabilizer assembly. Assign a 5,000 hour time-in-service (TIS) life limit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Bell Helicopter Textron Canada Model 407 helicopters with certain tailbooms that have not been redesigned.
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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