As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"AWR AFTER AFT NLG DOOR AIRFRAME BUSHINGS REMOVAL, CORROSION WAS FOUNDON FRAME HINGE LH/RH FITTINGS AT NLG WHEEL WELL. "CORROSION LEVEL 2: FRAME HINGE LH/RH FITTINGS AT NLG WHEEL WELL WERE REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01 "