What was found
AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTS OUT ON SEATS 18C, 19C, 22C, 23C, 26C, 27C, ALL HAVE WIRING ISSUES. REPLACED EMERGENCY POWER SUPPLY UNIT (AALA202009209002) 13WL BATTERY PACK (AALA202009219025) AND SECURED CONNECTORS AT ROW 22C AND 23C. ALL NORMAL PER AMM 33-51-38.