As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE OVERNIGHT SERVICE CHECK INSPECTION ST. PETERSBURG MAINTENANCE REPORTED THAT THE EMERGENCY LIGHTS AT SEAT ROWS 21 AND 22 WOULD NOT TEST. ST. PETERSBURG MAINTENANCE FURTHER REPORT THE REMOVAL AND REPLACEMENT OF THE APPROPRIATE EMERGENCY LIGHT POWER SUPPLY BATTERY PACK. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-53-00. THE AIRPLANE HAS RETURNED TO SERVICE.