# AD 72-09-03: Security of Control Wheel Adapters

- Type: Airworthiness directive
- Status: Current
- Products: Textron 99, 99A, 99A (FACH), A99, A99A, B99 and C99
- Effective: May 2, 1972
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1440
- Registered aircraft: 95 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CA311B3DD62DD07D86256A08007374BD.0001
- DRS record last changed: January 21, 2026
- Page: https://openairdocs.org/ad/72-09-03

## The airworthiness directive

72-09-03 BEECH: Amdt. 39-1440. Applies to Model 99 Series (Serial Numbers U-1 through U-145) Airplanes.

Compliance: Required as indicated, unless already accomplished.

To assure security of control wheel adapters, accomplish the following:

A) Within 25 hours' time in service after the effective date of this AD, remove all paint from Beech P/N 50-524590-3 control wheel adapters and dye penetrant inspect said adapters in accordance with FAA Advisory Circular 43.13-1. Repeat the inspection at 100 hour intervals thereafter. If a crack is found during any of the inspections required by this AD, prior to further flight, replace with Beech P/N 99-524036-33 control wheel adapters, except that the aircraft may be flown in accordance with FAR 21.197 to a location where the replacement may be performed.

B) When the old Beech P/N 50-524590-3 control wheel adapters are replaced by the new Beech P/N 99-524036-33 control wheel adapters the inspections called for herein areno longer required.

C) Equivalent methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

Beechcraft Service Instruction No. 0380-155, Rev. 1, pertains to this subject.

This amendment becomes effective May 2, 1972.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A14CE](https://openairdocs.org/tcds/A14CE): Textron Aviation Inc.; names 6 of 12 models: A99, A99A, C99, B99, 99A, 99

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 95 (95 by airframe model, 0 by engine model)
- Makers: Beech 95

Models with the most aircraft:

- [Beech C-99](https://openairdocs.org/model/beech-c-99): 54 aircraft (airframe model)
- [Beech 99](https://openairdocs.org/model/beech-99): 23 aircraft (airframe model)
- [Beech 99A](https://openairdocs.org/model/beech-99a): 11 aircraft (airframe model)
- [Beech B-99](https://openairdocs.org/model/beech-b-99): 6 aircraft (airframe model)
- [Beech A99](https://openairdocs.org/model/beech-a99): 1 aircraft (airframe model)

All 5 models: https://openairdocs.org/ad/72-09-03/models.md
Every aircraft: https://openairdocs.org/ad/72-09-03/aircraft.md

## Related documents

- [AC 43.13-1B CHG 1 Ed Update](https://openairdocs.org/ac/43.13-1): Acceptable Methods, Techniques, and Practices—Aircraft Inspection and Repair. Cited as AC 43.13-1 in the AD's requirements

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