What was found
LCQ - MAJOR REPAIR - DURING C-09 CHECK EXFOLIATION CORROSION WAS FOUND ON AFT CARGO COMPARTMENT FLOOR SUPPORT BS 1461 - 1471, ABOVE STR 28R. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; REMOVED DAMAGED SUPPORT ANGLES BS 1461 - 1471; FABRICATED A NEW REPLACEMENT SUPPORT ANGLE; INSTALLED REPAIR PART IAW B757-200 SRM 51-70-12, PG. 1-17, FIG. 1 & 2, AND SRM 51-40-02, PG. 1-3.