As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NONE OF THE EMERGENCY LIGHTS, INTERIOR OR EXTERNAL, ILLUMINATES WHEN THE EMER LTS SWITCH IS PLACED IN THE ARM POSITION WITH BATTERY SWITCHES OFF DURING THE POWER ON CHECKLIST TEST. RAN QRH AND CHARGED BATTERIES FOR 30 MINUTES TWICE (60 MINUTES TOTAL) AND LIGHTS STILL FAILED TO ILLUMINATE WHEN TESTED.