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 AFT SERVICE DOOR FRAME WAS FOUND TO BE CORRODED AT FRAME 22 BETWEEN STRINGERS 15R AND 16R. MAINTENANCE REMOVED THE CORROSION AND PERFORMED A DOUBLER REPAIR IAW EC5310-01373. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.