As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 LH OUTBOARD FLAP HINGE BOX, AFT MOUNT CASTLE NUTS SHOWING EVIDENCE OF CORROSIN. (FLAGGED) (C-CHECK RO 12-4-2021) REMOVED 2 EA. CORRODED NUTS AT AFT MOUNT BOLTS ON LH OUTBOARD FLAP HINGE BOX ASSEMBLY AT WS178.00 AND REPLACED WITH NEW HARDWARE (2 EA. NUTS AND COTTER PINS). REF. CRJ200 SRM 51-41-02. USED TORQUE WRENCH TUC1260, CAL DUE 31 AUG 21.