What was found
DURING PUSH BACK THE AIRCRAFT FILLED WITH SMOKE. APU AUTO SHUT DOWN. INSPECTED APU AND FOUND NO DEFECTS. REPLACED RELAY KO 194 FOR TROUBLESHOOTING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PUSH BACK THE AIRCRAFT FILLED WITH SMOKE. APU AUTO SHUT DOWN. INSPECTED APU AND FOUND NO DEFECTS. REPLACED RELAY KO 194 FOR TROUBLESHOOTING.