As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER T/C 78273000 FOUND SHORT TIME FAULT ON #1 ENGINE MSG# 73-11281 EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE ON FLT LEG #3. GROUNDED - YES. REMOVED AND REPLACED ENG #1 EEC ALTERNATOR REF AMM 73-21-08-400-801-F00. EEC BITE CHECK, NO FAULTS. COMPLETED INSTALLATION AND OPS CKS OF #1 ENG EEC ALTERNATOR PER AMM 73-21-08-400-801. LEAKS AND OPS CKS OK -EEC CKS OK -NO FAULTS AFTER ENG RUN.