As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA-ON FLIGHT 2348, RETURNED TO GATE, WHEN SETTING FLAPS FOR TAKEOFF, THE FLAP POWER CAUTION LIGHT ILLUMINATED AND THE FLAPS DID NOT MOVE. NO FAULTS FOUND IN CDS. CLEARED NVM IN CDS, RESET FLAP CONTROL CIRCUIT BREAKER. RAN FLAPS UP AND DOWN TO 35 DEGREES. FLAP CAUTION EXTINGUSHED. AIRCRAFT RETURNED TO SERVICE AS PER SERVICE LETTER DH8-400-SL-27=002A. NO PARTS WERE REPLACED.