What was found
WHILE TESTING ELT FOR FUNCTIONAL TEST ON BENCH. UNIT BEGAN TO SMOKE. REMOVED HEAD AND BATTERY AND NOTED BURNED AREA ON CIRCUIT BOARD. RETURNED TO MANUFACTURER FOR REPAIR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE TESTING ELT FOR FUNCTIONAL TEST ON BENCH. UNIT BEGAN TO SMOKE. REMOVED HEAD AND BATTERY AND NOTED BURNED AREA ON CIRCUIT BOARD. RETURNED TO MANUFACTURER FOR REPAIR.