AD 73-13-11

73-13-11 MITCHELL INDUSTRIES, INC., doing business as EDO-AIRE MITCHELL: Amendment 39-1677. Applies to Mitchell automatic pilot instruments installed in various Beech aircraft with a mechanical wing flap control system in accordance with the following Supplemental Type Certificates:

STC NO. BEECH AIRPLANE MODELS AUTOPILOT MODEL SA1346SW 23, A23, A23A, A23-19, 19A, A24, Century I

A24R, B19, M19A, A23-24, B23,C23 Model AK341

SA1348SW 23, A23, A23A, A23-19, 19A, B19, Century IIB

M19A, A23-24, B23, C23, A24, A24R Model AK342

Compliance required within the next ten (10) hours' time in service after the effective date of this AD, unless already accomplished.

To prevent interference of the flap control system with the automatic pilot roll servo, which may result in loss of aileron control, accomplish the following:

Remove the automatic pilot roll servo assembly and all servo installation brackets from the airplanes or install the cable tensioner Kit PKMB-8 in accordance with Edo-Aire Mitchell Service Bulletin No. MB-8 dated June 7, 1973, or later FAA approved revision, or any other method approved by the Chief, Engineering and Manufacturing Branch, Southwest Region, Federal Aviation Administration, Fort Worth, Texas.

The bulletin mentioned herein may be obtained from Edo-Aire Mitchell, P. O. Box 610, Mineral Wells, Texas 76067.

This amendment becomes effective June 29, 1973.