As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REF TC 78273000 NR 2 ENGINE SHOWS FMC CDU SHORT TIME FAULT CODE 73 21272 "THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE". REF FIM TASK 73 27 00 810 804 FOO REPAIR CONFIRMATION SHOWS NO FAULTS. MAINT HISTORY ON FMC CDU SHOWS ONLY ON ORIGINAL LEG. NO HISTORY PAST 60 DAYS. CLEARS PLT. SEAMC NOTIFIED.