As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ENGINE INDICATING AND CREW ALERTING SYSTEM CAUTION MESSAGE; EMERGENCY LIGHTS WITH EMERGENCY LIGHTS ILLUMINATED THROUGHOUT THE CABIN, SWITCH AT 1L DOOR AND OVERHEAD EMERGENCY LIGHTS SWITCH NO HELP. **SUPPLEMENTAL REPORT REQUIRED** (OPEN)