AD 76-12-10

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 When this has been accomplished the placard and operating instructions required in Paragraph A are no longer applicable.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.