What was found
GYR - MAJOR REPAIR - DURING C-11 CHECK MAIN FRAME WAS FOUND CHAFED BEYOND LIMITS AT BS 1280, STR 14R TO STR 12R. MAINTENANCE REMOVED DAMAGED SECTION OF FRAME, FABRICATED REPAIR FRAME SPLICE ANGLES, TREATED, PRIMED AND INSTALLED IAW B757-200 SRM 53-00-07, FIG 201, SHEET 1-3.