What was found
DURING PRE-FLIGHT CHECK, THE CEILING MOUNTED EMERGENCY LIGHTS ILLUMINATED AND WOULD NOT EXTINGUISH. REPLACED THE BATTERY PACK. OPERATIONAL CHECK OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PRE-FLIGHT CHECK, THE CEILING MOUNTED EMERGENCY LIGHTS ILLUMINATED AND WOULD NOT EXTINGUISH. REPLACED THE BATTERY PACK. OPERATIONAL CHECK OK.