AD 91-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 35-33 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 35-A33 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 35-B33 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 35-C33 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 35-C33A | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 36 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 45 (Military YT-34) | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 56TC | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 58 | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
| aircraft | Textron Aviation Inc. | 58A | Airworthiness Directives; Beech: Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA Airplanes |
Unsafe Condition
Interchanging right-hand and left-hand elevator trim tab actuators could cause loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Paint stripes on stabilizer rear spars (right-hand black, left-hand blue), paint inspection hole ledges (right-hand black, left-hand blue), and paint a .50 by 1 inch stripe on actuator housings (right-hand black, left-hand blue) per Beech Service Bulletin No. 2399. Special flight permits may be issued under FAR 21.197 and 21.199.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Required the next time the elevator trim tab actuators are removed for any reason, but no later than 12 calendar months after the effective date of this AD, unless already accomplished.
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Affected Aircraft
Beech Models 35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, 35-C33A, E33A, F33A, E33C, F33C, 36, A36, A36TC, B36TC, T34C-1, 34C, T-34C, 45, A45, D45, 95, B95, B95A, D95A, E95, 95-55, 95-A55, 95-B55, 95-B55A, 95-C55, 95-C55A, D55, D55A, E55, E55A, 56TC, A56TC, 58, 58A, 58P, 58PA, 58TC, and 58TCA with specific serial ranges as listed in the AD.
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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