As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON GROUND, ELEC LIGHT ILLUMINATED, WOULD NOT RESET WITH POWER TRANSFER. ACFT GROUNDED. PERFORMED ELEC LIGHT BITE PROCEDURE, IAW FIM 24-31 TASK 801. LOGGED SPCU INOP MESSAGE. PERFORMED FIM 24-34 TASK 802 & FAULT CLEARED. GROUND VERIFICATION CHECK PASSED.