82-27-10 ROCKWELL INTERNATIONAL: Amendment 39-4532. Applies to Model NA 265-65, Serial Numbers 465-1 through 465-76 and 306-114, certificated in all categories. Compliance required as indicated unless already accomplished. To prevent possible failure of the horizontal stabilizer trim actuator and loss of longitudinal trim capabilities, accomplish the following:
A. Within the next 25 flight hours, disconnect and remove the flexible shaft interconnect, S. S. White Part Number 16023Y3.12, between the horizontal stabilizer trim actuators, Hoover Electric Company Part 11450. Place a dust cover over the flexible shaft holes. Instructions for airplane operation with this condition are presented in Airplane Flight Manual SR77-006.
B. Within the next 25 flight hours and every 25 flight hours thereafter, accomplish the following:
1. Visually inspect the actuator dust cover/non-rotational sleeve for indications of leaking grease and bulging or cracking of the sleeve. If anyof these conditions exists, replace the actuator.
2. Visually inspect the actuator, in the fully retracted position, for indications of contact of the sleeve with the actuator base. Replace the actuator if contact occurs.
C. Within the next 200 flight hours, or six months, whichever occurs first, inspect and rework each horizontal stabilizer trim actuator in accordance with Rockwell International Sabreliner Service Bulletin 82-3 dated September 30, 1982. Incorporation of this Service Bulletin constitutes terminating action for this AD.
D. Issuance of a Special Flight Permit in accordance with FAR 21.197 is permitted for the purpose of moving affected airplanes to a location where the inspections and modifications required by this AD can be accomplished.
E. Alternative means of compliance with this AD which provide an equivalent level of safety may be used if they are approved by the Manager, Wichita Aircraft Certification Office, Room 238, Terminal Building 2299, Mid-Continent Airport, Wichita, Kansas 67209; telephone (316) 269-7000.
This amendment becomes effective January 19, 1983.