As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SECONDARY NRC FROM RC 900-32-710-902: AFTER BUSHING REMOVAL WERE FOUND ELONGATE FITTINGS LH/RH AT AFT NLG DOOR. FITTINGS LH/RH AT AFT NLG DOOR WERE REPLACED PER CRJ 900 SRM 51-41-02-001-001-A01 AND PER CRJ-900 AMM 20-21-00-910-801 (A01)