What was found
CABIN EMERGENCY LIGHTS INOP. EXIT SIGN OVER MAIN CABIN DOOR INOPERATIVE. EXIT SIGNS LT AND RT OF MAIN CABIN DOOR INOPERAITVE. EMERGENCY LIGHT OVER GALLEY INOPERATIVE. AFTER REPLACING #1 BATTERY PACK BLOWN FUSE AND PERFORMING FULL OPERATIONAL CHECK OF THE BATTERY PACKS, PAX SAFETY SWITCH ILLUMINATES ALL CABIN UGHTS ONES ALL BATTERY PACKS ARE CHARGED AND WORKING PROPERLY. WORK IAW AMM 33-50-00.