What was found
CABIN EMERG LIGHT: ALL EMERGENCY LIGHTS CONTINUOUSLY FLICKER WITH SWITCH SELECTED TO ARMED AND ON POSITIONS. VIDEO ATTACHED. POWERD UP AIRCRAFT AND FOUND LIGHTS NOT FLICKING WITH SWITCH SELECTED TO ARMES. PERFORMED EMB 505 FIM TASK 33-50-00-810-802-A INCORRECT FUNCTIONING OF EMERGENCY LIGHTS", OPS CHECK GOOD BUT NOTED LIGHTS TURNS ON WITH SWITCH SELECTED TO ARM WITH POWER APPLIED (GPU AND BATTERIES) REF FIM TASK BLOCK 5 (STEP 6). REMOVED AND REPLACED COCKPIT EMERGENCY LIGHTS BATTERY SUPPLY AND PERFORMED EMERGENCY LIGHTS FUNCTIONAL CHECK REF EMB 505 AMM 33-52-01. OPS CHECK GOOD AT THIS TIME.