What was found
FLT 5780 - ORD - IMMEDIATELY AFTER STARTING ENGINE NR 1, DC BUS NR 1 AND GEN NR 1 AND 3 TRIPPED OFF LINE WITH MULTIPLE EICAS MESSAGES. MAINTENANCE REPLACED APU LINE CONTACTOR. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 5780 - ORD - IMMEDIATELY AFTER STARTING ENGINE NR 1, DC BUS NR 1 AND GEN NR 1 AND 3 TRIPPED OFF LINE WITH MULTIPLE EICAS MESSAGES. MAINTENANCE REPLACED APU LINE CONTACTOR. (M)