As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG/SEA - EN ROUTE DURING FLAP OPERATION, OUTBOARD FLAPS STUCK AT 2 DEGREES AND WOULD NOT MOVE. PROCEEDED TO SEA AND LANDED WITHOUT FURTHER DIFFICULTY. CLEANED AND SECURED CONTROL VALVE CANNON PLUG. CYCLED FLAPS SEVERAL TIMES. FLAP SYSTEM OPERATES NORMALLY. OPERATIONALLY CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (X)