As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND MESSAGE 24-13044. REPLACED RELAY K24300. NO CHANGE. REPLACED I-O CARD, RAN ENGINES TO SELECT DIFFERENT BUSS POWER. NO CHANGE. MESSAGE ELECRICAL STANDBY SYS RETURNS. ALL TESTS ON MAT PASS. RESET OVERHEAD STANDBY POWER SWITCH TO BATTERY POSITION, CLEARED LATCHED MESSAGE. CYCLED BATTERY SWITCH TO ON AND OFF, NO MESSAGE NOTED.