As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERAL EMERGENCY LIGHTS INSIDE CABIN AND OUTSIDE INOPS / [01] REMOVED AND REPLACED BATTERY PACK AT M1670 ;M1674;M1672 AND M1668 POSITIONS AS PER REF B737; AMM 33-51-06-960-805.PERFORMED BATTERY PACK SYSTEM TEST AND FOUND NORMAL. REMOVED AND REPLACED BATTERY PACK CHARGER AT POSITION M1668 AS PER B737;AMM 33-51-06-960-806.PERFORMED BATTERY OPERATIONAL CHECK FOUND NORMAL AS PER 33-51-06-805.