As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BACKUP GENERATOR STATUS MESSAGE ELECTRIC BACKUP SYSTEM. NO PFC MESSAGE DISPLAYED. REPLACED BACKUP GENERATOR CONVERTER. OPS CHECK GOOD PER AMM. ACCOMPLISHED ENG RUN OF BOTH ENGINES ALL CHECKS OK, NO FAULTS DISPLAYED. CONVERTER IS BORROWED PART. REPLACED PART.