AD 2022-23-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Textron | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Bell | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
Unsafe Condition
A report of a crack on the tailboom lower skin due to fatigue damage, which could affect the structural integrity of the tailboom.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporating into existing maintenance records requirements (airworthiness limitations) as specified in the ALS service information, daily preflight checks of the tailboom for a crack, visually inspecting the tailboom for a crack using a 10X or higher power magnifying glass, modifying and re-identifying certain part-numbered tailbooms, and installing an improved horizontal stabilizer assembly.
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
Bell Textron Canada Limited Model 407 helicopters, serial numbers 53000 through 53900, 53911 through 54166, and 54300 and subsequent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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