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 REF NR 40349 AFT CARGO COMP FR 60 - FR 62 STR 38R AT BULK CARGO DOOR SILL. HAS CORROSION AT FASTENER HOLES 4 EA; REF NR 40349 REMOVED AND REPLACED BULK CARGO DOOR SILL IAW SRM 53-41-49-300-002. AT FR 60 + 1 BEYOND LIMITS ON REO -L21460/ EC A18-529-01.