74-16-04 BEECH: Amendment 39-1908. Applies to Models 65-B80 (Serial Numbers LD-452 through LD-468), C90 (Serial Numbers LJ-552 through LJ-588) and E90 (Serial Numbers LW-1 through LW-56) airplanes. \n\n\tCompliance: Required as indicated, unless already accomplished. \n\n\tTo prevent restricted elevator travel, within the next 100 hours' time in service after the effective date of this AD, accomplish the following: \n\n\tInstall a MS20365-428 self-locking nut on the threaded portion of each of the four elevator control stop bolts in accordance with the attached sketch and Part I of Beechcraft Service Instruction 0618-152 or subsequent revisions or by any equivalent method of compliance approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region. \n\n\tThis amendment becomes effective August 6, 1974.