79-10-11 EMPRESA BRASILEIRA de AERONAUTICA, S.A. (EMBRAER): Amendment 39-3468 as amended by Amendment 39-3632. Applies to all Model EMB-110P1 and EMB-110P2 airplanes, certificated in all categories.
Within 25 hours time in service from the effective date of this AD, unless already accomplished, and thereafter at intervals not to exceed 500 hours time in service, with the attachment bolts disconnected, manually inspect for seizing or other irregularities, all the FAFNIR P/N SBS6ATC18-Z bearings installed in the terminals of the control rods of the elevator, rudder, and aileron trim tab control systems, trim tab actuator shaft eyelets, and aileron trim tab bellcrank. If seizing or other irregularities are found, replace with a new part of the same part number, and continue the inspections at intervals not to exceed 500 hours time in service.
Compliance with the provisions of this AD may be accomplished in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA, Southern Region.
Amendment 39-3468 became effective May 18, 1979.
This Amendment 39-3632 is effective December 19, 1979.