As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON AFT CARGO PIT LOWER ENTRY SILL. HAS MULTIPLE AREAS OF CORROSION; ALL WORK ACCOMPLISHED IN NR 40795 REMOVED AND REPLACED PLATE (SILL) PER SRM 51-42-10 ALODINE PRIMED AND PAINTED AREA PER SRM 51-21-10 P/N D53475565210