As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TEST THE EMERGENCY LIGHT BATTERY, LIGHT OFF BEFORE 15 MIN, IN REF AMDS 3350-7413. BATTERY PACK AND BATTERY CHARGER OF MID EMERGENCY EXIT LIGHTS SEAT ROW 17 C B A WERE REPLACED AND BATTERY PACK CAPACITY CHECK WAS PERFORMED, PER B737-800 AMM 33-51-06. OPERATIONS TESTS OK.