As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS 16C, 10C, 20D, 23D AND EXTERIOR L1 LIGHTS DO NOT LAST 10. GROUNDED - YES. REPLACED LEFT AND RIGHT EMERGENCY EXIT POWER SUPPLY BATTERY PACK IN REF TO B737-700 AMM 33-51-06. REPLACED FORWARD LEFT POWER SUPPLIES IN REF TO AMM 33-51-06.