As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 'B' CHECK, FOUND THE SERVICE ENTRANCE EMERGENCY LIGHTS, L-1 DOOR ENTRANCE AND COCKPIT EMERGENCY LIGHTS DIM AND BATTERY PACK WILL NOT ACCEPT CHARGE. REMOVED AND REPLACED POWER SUPPLY (CHARGER) LOCATED ON THE FORWARD CABIN CEILING. SYSTEM OPS CHECKED GOOD IAW B737 MM 33-50-00.