As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND L/H FLAP TORQUE TUBE WS54.55 TO WS97.45 SEIZED ON ACTUATOR WHILE FACILITATING THE REMOVAL OF CORRODED L/H FLAP TORQUE TUBE WS97.45 TO WS148.00 CORRECTIVE ACTION: INSTALLED NEW SERVICEABLE LH FLAP TORQUE TUBE P/N ON:1722028-10, S/N ON: 6157 WS54.55 TO WS97.45 IAW CRJ 900 AMM 27-52-01-400-804-A03 STEPS 1-5A CORRECTIVE ACTION: RECEIVED NEW SERVICEABLE LH FLAP TORQUE TUBE PN: 1722028-10, SN: 6157 CORRECTIVE ACTION: OPS TEST OF FLAPS GOOD IAW CRJ 900 AMM 27-50-00-710-801-A02.