AD 80-07-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 200 | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | 200C | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | 200T | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | 99 | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | 99A | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | A100-1 (U-21J) | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | A200 (C-12A) | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | A200 (C-12C) | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | A200C (UC-12B) | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
| aircraft | Textron Aviation Inc. | B99 | Airworthiness Directives; Beech Model 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series Airplanes |
Unsafe Condition
Failure of the bolt, washer assembly, or barrel nut assembly at the lower forward wing attachment due to rust, pitting, or cracking in the steel material could result in loss of wing attachment integrity.
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Required Actions
Inspect bolts, nuts, and cradles for rust, pitting, or cracks using visual and magnetic particle inspection methods. Replace affected parts with new ones as specified in Table 1. Clean, coat, and torque components per procedures, and submit reports for replaced parts.
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Compliance Time
Prior to the next flight unless already accomplished for compliance with the corresponding emergency AD or service instructions.
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Affected Aircraft
Beech Models 99, 99A, B99, A100-1, 200, A200, A200C, 200C, 200T, F90, H90, T-34C, T-34C-1 and 34C Series airplanes with specified serial numbers as listed in the AD.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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