As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME INTERNAL TO PAX DOOR AT FS313.56 BETWEEN DD4-DD5 HAS INTERGRANULAR CORROSION AROUND RIVET HOLES. REMOVED AND REPLACED CORRODED FRAME WITH NEW REPLACEMENT FRAME (P/N 601R318086-1) AND CLEAT (P/N 600-31902-269) USING ALL NEW HARDWARE. REF BOMBARDIER DWG 601R31702 REV-N AND CRJ 900 SRM 51-42-06-001-001-A01. ALL CHECKS GOOD.