As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4350, CREW REPORTED EMERGENCY FLOOR LIGHT STRIPS 1 - 4 STRIPS CAME ON DURING TEST BUT THEN WENT OFF AFTER ABOUT ONE SECOND. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BATTERY PACK POWER SUPPLY PER AMM 33-50-04. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.