As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT FROM PHX, THE NR 2 ENGINE WOULD NOT RESPOND PROPERLY TO CHANGES IN THRUST LEVER SETTING. THE CREW JETTISONED 24,000 LBS OF FUEL AND RETURNED TO PHX LANDING WITHOUT INCIDENT. MAINTENANCE FOUND AND REMOVED CONTAMINANTS IN THE FCU MOISTURE TRAP. ENGINE PERFORMANCE RETURNED TO NORMAL ON RUNUP, AIRCRAFT RETURNED TO SERVICE.