What was found
LCQ - MAJOR REPAIR - DURING C-17 CHECK A 1 INCH CRACK WAS FOUND AT RIVET HOLES ON STRINGER 4 LT, BS 908-909. MAINTENANCE REMOVED 12 INCH SECTION OF STRINGER SPLICE ON STRINGER 4 LT, BS 908-909; FABRICATED A REPAIR CHANNEL PER DWG 65-51698-2; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 PG 38.