As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS LEFT THROTTLE LAGS OR STICKS AT LOWER EPR THAN RIGHT THROTTLE WITH AUTO THROTTLE ON. MAINTENANCE LUBRICATED L/H THROTTLE ROD ENDS IAW AMM 12-21-05 AND ACCOMPLISHED L/H THROTTLE FORE AND AFT FORCE TEST IAW AMM 76-11-00-501, THROTTLE TESTS GOOD.