70-12-10 DORNIER, AG: Amdt. 39-1005. Applies to Model DO-28D-1 airplanes with Serial Numbers 0401, and 4002 through 4039.
To prevent disconnection of the right hand elevator trim tab system, within the next 50 hours' time in service after the effective date of this AD, unless already accomplished, replace washer P/N MS20002-C5 on the right hand elevator trim tab actuator bellcrank with a larger washer P/N 28.01.303 -111.43 in accordance with Dornier Alert Service Bulletin A024-1303, dated 23 February 1970, or later ARB-approved issue or an FAA-approved equivalent.
This amendment becomes effective June 11, 1970.