What was found
PHX - ON APPROACH, AIRCRAFT ENCOUNTERED AN OUTBOARD FLAP ASSEMETRIC FAULT. THE FLAP ANNUNCIATOR SHOWED NO PROBLEM, AND THAT ALL FLAPS WERE AT 45 DEGREES, HOWEVER, UPON LANDING, THE RT OUTBOARD FLAP WAS NOTED TO BE AT APPROX 10 DEGREES. FLAP WAS RETURNED TO 'UP' POSITION AND VERIFIED FOR FERRY TO FMN. AFTER 2 DAYS OF EXTENSIVE TROUBLESHOOTING, NO ELECTRICAL DISCREPANCIES WERE FOUND. THE RT OUTBOARD FLAP ACTUATOR WAS REPLACED. AIRCRAFT TEST FLOWN WITH NO PROBLEMS REPORTED AND DISPATCHED.