As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE FLT LVL 350 THREE HRS INTO FLT LT ENGINE WENT TO INCREASED THRUST 209 EPR 96 PERCENT N1 EGT 553, PULLED BOTH THROTTLES IDLE RT ENG RESPONDED, LT ENGINE STAYED AT HIGH THRUST FUEL HEAT ON AND ENGINE RETURNED TO NORMAL. INSPECTED MOISTURE TRAP AND SERVICED FUEL CONTROL BELLOWS. RAN ENGINE. UNABLE TO DUPLICATE.