What was found
DURING APPROACH INTO SNA RECEIVED 'F/CTL FLAPS LOCKED' ALIGNMENT FAULT WHEN SELECTING FLAPS 3. THE FLAPS WERE LOCKED AT ZERO. AN EMERGENCY WAS DECLARED AND AIRCRAFT DIVERTED TO LAX AND LANDED WITHOUT INCIDENT. MAINTENANCE RIGGED THE NR 1, 2, 3, AND 4 LEFT WING FLAP ACTUATORS. OPERATIONAL CHECK OK.