AD 75-17-37
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 19A | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | 23 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A23 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A23-19 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A23-24 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A23A | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A24 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | A24R | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | B19 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
| aircraft | Textron Aviation Inc. | B23 | Airworthiness Directives; BEECH Models A23-19, 19A, M19A, B19, B19 Sport 150, 23, A23, A23A, B23, C23, C23 Sundowner 180, A23-24, A24, A24R, A24R and B24R Sierra 200 Airplanes. |
Unsafe Condition
Improper operation of carburetor mixture and/or carburetor heat control cables could lead to loss of engine power or engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the mixture and/or carburetor heat control cables to ensure freedom of motion and adjust where necessary following Beechcraft Service Instructions No. 0717-159 or equivalent FAA-approved method. Aircraft with fuel injection engines are exempt from carburetor heat control cable inspection.
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Compliance Time
within the next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
BEECH models A23-19, 19A, M19A, B19 (Serial Numbers MB-1 thru MB-520), B19 Sport 150 (MB-521 thru MB-776); 23, A23, A23A, B23, C23 (M-1 thru M-1361); C23 Sundowner 180 (M-1362 thru M-1664); A23-24, A24 (MA-1 thru MA-368); A24R (MC-2 thru MC-95); A24R and B24R Sierra 200 (MC-96 thru MC-360)
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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