What was found
LCQ - MAJOR REPAIR - DURING C-15 CHECK CORROSION WAS FOUND ON AFT CARGO PIT RT FLOOR SUPPORT BEAM BS 727D+6, RBL 7.5. MAINTENANCE REMOVED CORROSION AND MATERAIL REMAINING .039, FABRICATED 2 EACH REPAIR ANGLES FROM 7075-0.071, 7075-0-.081, HEAT TREATED IAW B737-300 SRM 53-00 FIG 201 SHT 1-3 & TPS-1003, TRIMMED, DRILLED, DEBURRED, TREATED, PRIMED, INSTALLED ANGLES AT BS 727D+6, RBL 7.5 IAW B737-300 SRM 53-00-53 FIG 201, SHT 1-3.