As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/H FLAP OUTBD. BPSU (4 EA.MOUNT BOLTS) RUSTED (C-CHECK- RO 11/11/21) REPLACED AND INSTALLED NEW HARDWARE ON LH FLAP O/B PBSU IAW CRJ 200 AMM 27-51-10-400-801 STEPS 3.B.(4), (6)-(7). REPLACED ONE AT A TIME AND NO ELECTRICAL CONNECTIONS WERE DISCONNECTED