AD 68-17-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 23 | Airworthiness Directives; BEECH Models 23, A23 and A23A, A23-19, A23-24 Airplanes |
| aircraft | Textron Aviation Inc. | A23 | Airworthiness Directives; BEECH Models 23, A23 and A23A, A23-19, A23-24 Airplanes |
| aircraft | Textron Aviation Inc. | A23-19 | Airworthiness Directives; BEECH Models 23, A23 and A23A, A23-19, A23-24 Airplanes |
| aircraft | Textron Aviation Inc. | A23-24 | Airworthiness Directives; BEECH Models 23, A23 and A23A, A23-19, A23-24 Airplanes |
| aircraft | Textron Aviation Inc. | A23A | Airworthiness Directives; BEECH Models 23, A23 and A23A, A23-19, A23-24 Airplanes |
Unsafe Condition
Inadvertent engagement of the parking brake in flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the left master brake cylinder for Part No. VHR-625NL; remove steel ball Part No. A134-9 from parking brake check valves on both left and right master brake cylinders or modify the left master brake cylinder per Beech Service Instruction 0092-220 and drill floor board, or install improved braking system via Service Letter 67-12, Rev.1. Operationally check brakes post-modification.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to further flight except the airplane may be flown in accordance with Federal Aviation Regulation 21.197 to a base where the repair can be performed
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
BEECH Models 23, A23, A23A (Serial Numbers M-1 through M-1034); A23-19 (MB-1 through MB-264); A23-24 (MA-1 through MA-233)
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.