As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING T/C#78273000, FOUND A FAULT ON THE NR 1 ENGINE. SHORT TIME FAULT, MESSAGE NUMBER 73-11271, THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE. ACFT GROUNDED. PERFORMED FIM 73-27, TASK 804. NO FAULTS FOUND. REMOVED AND INSTALLED THE NR 1 EEC AMM 73-21-60. OPS TESTED GOOD IAW AMM 73-21-60-400-801.