As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND MAINTENANCE MESSAGE 73-11271, NR 1 ENGINE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE, SHORT TIME FAULT. ACFT GROUNDED. PERFORMED TASK CARD 78273000. NO FAULTS FOUND AND NO MAINTENANCE HISTORY FOUND WITHIN THE PAST 30 DAYS. ACFT RELEASED.