As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER LIGHT ILLUMINATED ON OVERHEAD PANEL. OVERHEAD AC/DC ELECTRICAL PANEL LOGGED AUX BATTERY CHARGER AND SPCU FAULT. STANDBY POWER SYSTEM BITE TESTED IAW MM 24-31, TASK 801 AND ALL FAULTS CLEARED. LIGHT EXTINGUISHED AND NO CURRENT FAULT. ALL DC SYS GROUND VERIFICATION OPS CK NORMAL, NO HISTORY 30 DAYS.