As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINES STARTED, -SPCU- LIGHT TURNED ON IN ELECTRICAL PANEL. CAPTAIN SHUT DOWN LEFT ENGINE AND ELECTRICAL PANEL WAS ERASED BUT FAIL CONTINUED. B-1 AND B-2 BREAKERS WERE RESEATED IN P-6 PANEL AND FIM 24-34 PROCEDURE WAS PERFORMED, ALL CORRECT. DURING OVERNIGHT CHECK, SPCU OPERATIONAL TEST WAS PERFORMED IAW MM 24-34-00 TASK 24-34-00-710-801, ALL CORRECT.