As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6416 - EUG-PHX - PILOT DECLARED AN EMERGENCY DUE TO FLAPS FAILING AT ZERO. THE AIRCRAFT RETURNED TO THE GATE WHERE MAINTENANCE REMOVED AND REPLACED THE BPSU AND THE RIGHT NR 5 FLEXSHAFT. OPS CHECKED GOOD AND THE AIRCRAFT RETURNED TO SERVICE. (M)