As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR TOP FOLDING STEP HINGE IS CORRODED. REMOVED CORRODED HINGE, LOCATED AND DRILLED NEW HINGE IAW CRJ 900 SRM 51-40-11-001-001-A01. INSTALLED NEW HINGE AS NEEDED IAW CRJ 900 AMM 52-11-04-400-801 STEP (4) (A) (3 & 4). HINGE PN# CC670-31981-3.