As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND EMERGENCY LIGHT BATTERY PACK LOW CAPACITY AT L4 DOOR AREA. TEST FOUND M33407 BATTERY PACK LOW CAPA CITY REPLACED M33407 BATTERY PACK AND NEW BATTERY PACK INSTALLAT ION TEST FOUND NORMAL AS PER WDM 33-51-71 REV.90 AMM 33-51-06-96 0-802 REV.101.