As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 3605 DURING THE PREFLIGHT INSPECTION FOUND THE CABIN EMERGENCY LIGHTS DEAD. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED ALL 4 EMERGENCY POWER SUPPLY BATTERY PACKS IAW AMM 33-51-17. ALL PART NUMBERS OFF/ON 2013-1A SERIAL NUMBERS OFF NO 1: 184429 NO 2: 2104880 NO 3: 69114 NO 4: 4104587. THE AIRCRAFT WAS RETURNED TO SERVICE.