As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6446 - JFK-IAD - DURING TAXI, EXPERIENCED A DISCREPANCY WITH THE FLAP FAULT CAPTION LIGHT ILLUMINATING. MAINTENANCE CONTROL NOTIFIED AND AIRCRAFT RETURNED TO THE GATE. AIRCRAFT WAS FERRIED FROM JFK TO IAD. MAINTENANCE WAS DISPATCHED AND FOUND THAT THE LEFT FLAP POSITION TRANSDUCER HAD FAILED. MAINTENANCE REMOVED AND REPLACED THE LEFT FLAP POSITION TRANSDUCER AND PERFORMED ALL REQUIRED CHECKS. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (M)