AD 93-25-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 400A | BEECH AIRCRAFT CORPORATION Model 400A and 400T Airplanes |
| aircraft | Textron Aviation Inc. | 400T | BEECH AIRCRAFT CORPORATION Model 400A and 400T Airplanes |
Unsafe Condition
Improper rivets in the escape hatch substructure could reduce structural capability of the airframe.
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Required Actions
Inspect rivets in the escape hatch substructure within 200 hours time-in-service after February 14, 1994. Replace non-compliant rivets (not part number MS20470E6) with Cherry Max rivet or HI-LOK fastener before further flight. Prohibit installation of rivets with part number MS20470AD5 in specified location.
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Compliance Time
Within 200 hours time-in-service after the effective date of this AD
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Affected Aircraft
Beech Aircraft Corporation Model 400A (serial numbers RK-1 through RK-57, RK-59, RK-60, RK-62 through RK-66) and Model 400T (serial numbers TT-02 through TT-30, TT-32)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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