# AD 76-12-10: Wing De-icing

- Type: Airworthiness directive
- Status: Current
- Products: Textron 200
- Effective: June 23, 1976
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small/large airplane
- Amendment: 39-2644
- Registered aircraft: 234 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C7E1E72EFBE6E6C862569850046DCBF.0001
- DRS record last changed: January 21, 2026
- Page: https://openairdocs.org/ad/76-12-10

## The airworthiness directive

76-12-10 BEECH: Amendment 39-2644. Applies to Model 200 (Serial Numbers BB-3 thru BB-41) airplanes.

Compliance: Required as indicated, unless already accomplished.

To prevent flight into icing conditions with inoperative wing de-ice boots, accomplish the following:

A) Within 50 hours' time in service after the effective date of this AD:

1. Remove the access plates on the outboard side of the nacelles, forward of the main spar, and visually inspect the wing de-ice tubes to determine if they are high temperature supply tubes which are identified by their black color.

2. If they are black high temperature supply tubes no further action is required.

3. If they are not black high temperature supply tubes, either install a placard on the instrument panel in full view of the pilot which reads: "DO NOT OPERATE IN ICING CONDITIONS" and operate the aircraft in accordance with this limitation or comply with Paragraph B.

B) On or before October 1, 1976,install new P/N 130936N8D1200 black high temperature supply tubes in the right and left hand wings outboard of the engine nacelles. When this has been accomplished the placard and operating instructions required in Paragraph A are no longer applicable.

C) Any equivalent method of compliance with this AD must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

Procedures for inspecting and replacing the wing de-ice boot supply tubes are provided in Beechcraft Service Instructions 0822-193 or later approved revisions.

This amendment becomes effective June 23, 1976.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A24CE](https://openairdocs.org/tcds/A24CE): Textron Aviation Inc.; names 1 of 37 models: 200

## 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: 234 (234 by airframe model, 0 by engine model)
- Makers: Beech 234

Models with the most aircraft:

- [Beech 200](https://openairdocs.org/model/beech-200): 234 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/76-12-10/models.md
Every aircraft: https://openairdocs.org/ad/76-12-10/aircraft.md

Its text cites no advisory circulars or STCs.

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