48-01-03 REPUBLIC: Applies to Model RC-3 Aircraft.
Compliance required by February 1, 1948, and at each 25-hour inspection until bushing is installed.
Inspect elevator trim tab for excessive play by holding control rod and measuring vertical movement of trailing edge. If play exceeds 1/8 inch, ream clevis pin hole in horn and press in a 1/4 inch O.D. cadmium plated steel bushing. If wear has reduced edge distance below 5/32 inch, a new horn with steel bushing should be installed.
(Republic Seabee Service Bulletin No. 20 dated October 10, 1947, and Supplement No. 1 thereto dated November 10, 1947, contain detailed information on this subject.)