As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCOVERED AC/DC METER NOT DISPLAYING A/C VOLTAGE. GROUNDED - YES. CYCLED A/C PWR, VOLTAGE DISPLAY RETURNED ELEC. LIGHT ILLUMINATED, REFB737-800 FIM 24-31 TASK 801 BITE TEST FAULT SHOWED STAT INV INOP. REF FIM TASK 24-34 TASK 801 RESET STAT INV FAULT CLEARED BITE TEST PASSED, GND VERIFICATION SUCCESSFUL.