As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - CREW REPORTED UPON EXTENDING FLAPS, HAD NO INDICATION THAT FLAPS WERE MOVING AND NO WARNING. EMERGENCY DECLARED FLIGHT LANDED LAX WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 3 FLAP SKEW SENSOR THAT WAS INOPERATIVE. SYSTEM GROUND CHECK NORMAL OPERATION.