As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 LEFT OUTBOARD FLAP HINGE BOX SPRING SHOWING EVIDENCE OF CORROSION. (C-CHECK RO 12-4-2021) REMOVED L/H BUTE DOOR ACTUATOR ON HINGE BOX ASSEMBLY AT WS178.00 TO FOM. REF. CRJ 200 AMM 27-54-25-000-801.AND REINSTALLED L/H BUTE DOOR ACTUATOR ON HINGE BOX ASSEMBLY AT WS178.00. REF. CRJ 200 AMM 27-54-25-400-801. OPS CHECKS GOOD