As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FWD AND MID HINGES ARE CRACKED AND CORRODED ON DOOR STEP PLATE. LOCATED, DRILLED AND INSTALLED AFT CARGO FWD AND MID HINGES IAW CRJ 900 SRM 51-40-11-001-001-A01 AND SRM 51-42-06-001-001-A01 PN: MM670-35622-003 AND PN: MM670-35623-003. 2 PARTS REPLACED: MM670-35622-003 AND SEE PART NUMBER LISTED BELOW