As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INTERIOR PREFLIGHT TESTING THE EMERGENCY LIGHTS THEY WERE INOP IN THE ARM POSITION. WITH THE MAIN BATTERIES OFF, LIGHTS COME ON IN THE ON POSITION. WHEN IN THE ARM POSITION LIGHTS EXTINGUISH. RESET G SWITCH. OPS CHECK GOOD. IAW AMM 33-50-00