As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SELECTION OF FLAPS 15 ON TAXI THE OUTBOARD PAIR WOULD ONLY EXTEND TO 1 LIGHT BAR. WE RECEIVED A CONTROL FAULT AND ASWS WARNING. WERE UNABLE TO EXTEND OR RETRACT THE OUTBOARD PAIR. QRH COULD NOT RESET FLAPS. REMOVED AND REPLACED LEFT OUTBOARD FLAP ACTUATOR PER MM 27-50-00. LEAK & OPS CHECKS GOOD.