As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C-CHECK THE SERVICE DOOR AFT FRAME 22 WAS FOUND TO BE CORRODED AROUND THE NUT PLATE HOLE, BETWEEN STR 15R AND 16R. MAINTENANCE REMOVED THE DAMAGED AREA AND INSTALLED A DOUBLER REPAIR IAW EC 5310-01373. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.