What was found
AC FREQUENCY CONVERTER, SUSTAINED AN UNCONTAINED FAILURE WITH NO ELECTRICAL LOAD APPLIED. FIRE BREACHED THE ALUMINUM CASE PRIOR TO ACTIVATION OF THE ACFT CIRCUIT PROTECTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AC FREQUENCY CONVERTER, SUSTAINED AN UNCONTAINED FAILURE WITH NO ELECTRICAL LOAD APPLIED. FIRE BREACHED THE ALUMINUM CASE PRIOR TO ACTIVATION OF THE ACFT CIRCUIT PROTECTION.