As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON BAY DOOR CUTOUT BELOW FLOOR BTW FS1047 TO FS1031 STGR18L ON AFT CARGO DOOR SURROUND STRUCTURE. INNER SHORD ON BAY DOOR CUTOUT BELOW FLOOR BTW FS1047 TO FS1031 STGR18L ON AFT CARGO DOOR SURROUND STRUCTURE WAS REPLACED PER CRJ 900 SRM 51-42-06-001-001-0A1 AND CRJ 900 SRM 51-42-21-001-001-A01