What was found
EMERGENCY LIGHTS AT SEAT 15, 20, 21ABC & LH &RH FWD OW DOOR BOTTOM EXIT INDICATORS ARE INOP. M1694 BATTERY CHARGER REMOVED AND REINSTALLED RETURN AIR GRILLE AT FWD LT OVERWING EMERGENCY EXIT DOOR TO FOM IAW AMM 21-23-03. TROUBLESHOT TO A BAD FUSE ON M1694 BATTERY PACK POWER SUPPLY IAW WDM 33-51-21. REMOVED AND REPLACED M1694 BATTERY PACK POWER SUPPLY FUSE AND EMERGENCY LIGHT OPS CHECK GOOD IAW AMM 33-51-06-960-804.