As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF CLIMB AUTO THROTTLE LIMIT INDICATION REVERTED TO WHITE A/T LIM AND REMAINED UNTIL TOP OF DESCENT THEN REVERTED TO NORMAL INDICATIONS. ACFT GROUNDED. FOUND NR 1 EEC CHANNEL A WILL NOT ENERGIZE. REPLACED NR 1 ENGINE EEC REF AMM 73-21-60. ALL GROUND TESTS NORMAL.