As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRIEF ELECTRICAL ENCOUNTER RESULTING IN MULTIPLE EICAS MESSAGES AND WARNINGS. ACFT DOWNLINKED FAULT ELEC GEN SYST LEFT MSG 31-69624, AND POWER BUS (L MAIN AC BUS) IN P100 IS NOT POWERED.THE BRIEF POWER EVENT IN THE LT MAIN AC BUSS CAUSED FAULT MESSAGES IN THE FIRE DET SYST, SATCOM SYST AND CABIN ENT SYST. ABOVE MESSAGES ARE NOW INACTIVE FAULTS AND NO ABNORMAL INDICATIONS AT THIS TIME. REPLACED R-AIMS IOM 4 FOR CMC MSG 31-69624, OPS NORMAL.