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 MAINTENANCE INSPECTION SANFORD MAINTENANCE REPORTED THAT THE OVERHEAD EMERGENCY LIGHTS FROM ROW 31 TO THE AFT LAV DOORS WOULD NOT TEST. THE FURTHER REPORT THE REMOVAL AND INSTALLATION OF AN EMERGENCY LIGHT POWER SUPPLY BATTERY PACK AT FUSELAGE STATION 1100R. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-53-00. THE AIRPLANE HAS RETURNED TO SERVICE.