As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TAXIING AIRCRAFT TO GATE, OPERATED FLAPS TOWARD DOWN POSITION AND RECEIVED CONTROL FAULT ON OUTBOARD PAIR. TRIED CLEARING AND RESETTING, BUT IT WOULD NOT. REMOVED AND REPLACED LEFT OUTBOARD FLAP ACTUATOR WITH SERVICEABLE UNIT IAW MM 27-50-09. OPS AND LEAK CHECK GOOD. P/N: 343000-1003 S/N ON: 0297 S/N OFF: 0554