As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CONFIGURATION FOR APPROACH, RECEIVED F/CTL FLAPS LOCKED MESSAGE. FLAPS LOCKED IN POSITION THREE OR LESS. FOLLOWED COCKPIT OPERATING MANUAL AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 SLAT/FLAP CONTROL COMPUTER. OPERATIONAL CHECK OK.