AD 2015-05-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada | Airworthiness Directives; Bell Helicopter Textron Canada Helicopters |
| aircraft | Bell | Helicopter Textron Canada | Airworthiness Directives; Bell Helicopter Textron Canada Helicopters |
Unsafe Condition
Cracks in the upper left longeron assembly and the aft fuselage upper skin could lead to structural failure and loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the aft fuselage upper skin for cracks and the upper left longeron assembly for cracks, corrosion, or defects. Replace or repair parts or sections as necessary based on inspection results.
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 serial numbers 53000 through 53900, 53911 through 54061, and 54300, equipped with longeron assembly part numbers 206-031-314-037, 206-031-314-177, or 206-031-314-219B.
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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