As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-10 CHECK INTERGRANULAR CORROSION WAS FOUND ON PASSENGER CABIN SHEAR DECK AT BS 1716, BL 0 TO RT CUSP. MAINTENANCE BLENDED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; CUTOUT CORRODED AREA OF SHEAR DECK; FABRICATED A REPAIR DOUBLER AND SHIMS; INSTALLED REPAIR PARTS IAW B757-200 SRM 53-60-51, PG 205-208.