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-09 CHECK INTERGRANULAR CORROSION WAS FOUND ON UPPER SURFACE OF AFT SHEAR DECK AT BS 1681 FROM BL 0 TO LBL 48. MAINTENANCE CUTOUT DAMAGE ON AFT SHEAR DECK AT BS 1681 FROM BL 0 TO LBL 48; FABRICATED A FILLER AND DOUBLER; INSTALLED REPAIR PART IAW B757-200 SRM 53-60-51 FIG 203 PG 204-208.