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 L-2 DOOR SILL FWD GIRT BAR. CORROSION AROUND GIRT BAR AFT INBD HOLE FR 67 + 18 STR 23L; REMOVED AND REPLACED DOOR SILL IAW SRM 53-41-14-283-002. WORK ACCOMPLISHED ON NR 440500-30441.