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 FWD CARGO COMPT THRESHOLD SILL UPPER SURFACE FRAME 26-28 STR 38R; REMOVED AND REPLACED FWD CARGO THRESHOL SILL IAW SRM 53-21-29-283-001 AND 53-21-29 FIG 004. WORK ACCOMPLISHED ON HAECO NR 440519-36227.