AD Amdt-39-19276
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Aviation Inc | Airworthiness Directives; Textron Aviation Inc. Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Textron Aviation Inc. Airplanes |
Unsafe Condition
The cracking has been found on only Model 402C airplanes, however, the carry through spar cap and surrounding structure on the other model airplanes included in AD 2018-03-03 are similar and the loads on the other model airplanes are similar to (or higher than) the Model 402C airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitively inspect the left and the right forward lower carry through spar cap for cracks and replacing the carry through spar cap if cracks are found. This AD also requires sending the inspection results to the FAA.
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
Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, and 425 airplanes.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.