As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT, RECEIVED TRAILING EDGE FLAP DISAGREE MESSAGE. THE FLAPS LOCKED OUT AT POSITION 5. REPLACED ALTERNATE FLAP DRIVE MOTOR. SHOP FINDINGS DETERMINED THAT THE CLUTCH WOULD NOT RELEASE. THE MOTOR WAS ADJUSTED BY RESETTING THE TORSION SPRINGS AND ADJUSTING THE CABLE COLLARS. THE MOTOR WAS RETURNED TO STOCK.