As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG-ON FLIGHT 2367, RETURNED TO GATE, AFTER ENGINE START/PUSHBACK, FLAPS WERE SELECTED TO 15 DEGREES FOR TAKEOFF. FLAP POWER CAUTION LIGHT ILLUMINATED AT 11 DEGREES OF FLAP EXTENSION AND FLAPS STOPPED MOVING. MAINTENANCE COMPLIED WITH FIM TASK 27-50-00-810-802. CAUTION LIGHTS EXTINGUISHED. FLAPS OPERATE NORMALLY. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.