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 CABIN L2 PAX DOOR SILL AT FR 68 STR 23L; REMOVED CORROSION AT L2 DOOR SILL FR 69 STR 23L FOUND TO BE BEYOND SRM 53-41-14-283-002 LIMITS. L2 DOOR SILL REPLACED ON SERVICE ORDER 440496 NR 40366. SDR WILL BE TRACKED UNDER THAT NR. REF SERVICE ORDER 440496 NR 40367. FOR ALL WORK ACCOMPLISHED.