As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLIGHT INSPECTION, AIRCREW NOTICED ONLY PARTIAL EMERGENCY LIGHTS OPERATIVE. GROUND MX CREW PERFORMED GROUND RUNS AND CHARGED EMERGENCY BATTERY PACKS. PERFORMED EMERGENCY LIGHT SYS CHECKS WERE PERFORMED SATISFACTORY. ACFT RELEASED TO FLIGHT STATUS.