As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELEC LIGHT ILLUMINATED ON THE GROUND. ACFT GROUNDED. P5-13 PANEL SHOWS STATIC INVERTER INOPERATIVE. INVERTER VOLTS ARE AT ZERO. CYCLED STANDBY POWER SWITCH. INVERTER VOLTS NOW 115V. CLEARED FAULT. MAINTENANCE TEST OF THE P5-13 PANEL IS NOW GOOD. NO FAULTS IAW FIM 24-34/T801.