As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 8642161) DURING INSPECTION FOUND RT DOOR AND SEATS 1 THROUGH 10 EMERGENCY LIGHTS INOP. ALL OTHER SEATS SATISFACTORY. REMOVED AND REPLACED BATTERY PACK PER B737 AMM 33-51. LIGHTS OPERATIONAL BUT PUSH TO TEST BUTTON ON POWER SUPPLY UNIT INOP. REMOVED AND REPLACED POWER SUPPLY UNIT PER B 737 AMM 33-51.