What was found
DURING SWITCH OVER FROM EXT PWR TO APU PWR TOTALLY LOST ALL ELECTRICAL POWER. CHECK FOUND EXT PWR RLY 2441-K1 BURNED AND ALL 6 FEEDER WIRES FROM RECEPT AT RELAY BURNT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SWITCH OVER FROM EXT PWR TO APU PWR TOTALLY LOST ALL ELECTRICAL POWER. CHECK FOUND EXT PWR RLY 2441-K1 BURNED AND ALL 6 FEEDER WIRES FROM RECEPT AT RELAY BURNT.