What was found
DURING M-CHECK, FOUND MAIN PASSENGER CABIN STA 750, LBL44 SUPPORT ANGLE ON TOP OF CTR WING TANK IS CRACKED. REMOVED DAMAGED SECTION OF ANGLE, FABRICATED REPAIR SPLICES, ANGLE & FILLER IAW SRM 57-01, FIG 3 AND 51-10-4 INSTALLED REPAIR PIECES IAW SRM 57-01, FIG 3, P245.