AD 91-12-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 300 | Airworthiness Directives; Beech Models B200, B200C, B200T, 300 and 300LW Airplanes |
| aircraft | Textron Aviation Inc. | 300LW | Airworthiness Directives; Beech Models B200, B200C, B200T, 300 and 300LW Airplanes |
| aircraft | Textron Aviation Inc. | B200 | Airworthiness Directives; Beech Models B200, B200C, B200T, 300 and 300LW Airplanes |
| aircraft | Textron Aviation Inc. | B200C | Airworthiness Directives; Beech Models B200, B200C, B200T, 300 and 300LW Airplanes |
| aircraft | Textron Aviation Inc. | B200T | Airworthiness Directives; Beech Models B200, B200C, B200T, 300 and 300LW Airplanes |
Unsafe Condition
In-service fatigue failures of the lower forward wing attach fittings could occur, necessitating continued operation under an interim safe life limit of 15,000 hours time-in-service (TIS).
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Required Actions
Install Beech Kit No. 101-4050 to modify the wing spar attachment. Compliance times vary by model: Model 300LW by 8,300 hours TIS or within 100 hours TIS after July 15, 1991; Model 300 by 9,000 hours TIS or within 100 hours TIS after July 15, 1991; Models B200, B200C, B200T by 9,500 hours TIS or within 100 hours TIS after July 15, 1991.
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Compliance Time
Required as indicated, unless already accomplished.
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Affected Aircraft
Beech Models B200, B200C, B200T, 300, and 300LW airplanes with specific serial numbers: Models B200, B200C, B200T (BB-1158, BB-1167, BB-1193 through BB-1203, BB-1207 through BB-1312, BB-1314 through BB-1334, BL-124 through BL-132, BT-33); Models 300 and 300LW (FA-2 through FA-190).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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