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 AFT CARGO COMPARTMENT FORMER WEB AT LOWER PORTION OF WEB WHERE ATTACHED TO SKIN BS 1500 TO BS 1520. MAINTENANCE REMOVED DAMAGED FORMER WEB FROM BS 1500 TO BS 1520; FABRICATED A NEW REPLACEMENT WEB; INSTALLED REPAIR PART IAW B757-200 SRM 51-40-02, PG 1, PARA B1-A.