What was found
DURING DECENT TO LANDING, THE RT ENG FIRE LIGHT WAS DIMLY FLICKERING ON & OFF, 1 SECOND ON THEN ABOUT 3 SECONDS OFF, UNTIL LANDING. PLACING THE RT THROTTLE TO IDLE TO DETERMINE IF THERE WAS A BLEED AIR LEAK, THE LIGHT STILL CONTINUED TO FLICKER. ON THE GND THE ROTARY TEST CHECKED NORMAL. VISUALLY INSPECTED RT ENG FIRE LOOP & WIRE HARNESS FROM PYLON TO ENG. PERFORMED RT ENG BLEED AIR LEAK CHECK AT POWER NO LEAKS NOTED AT THIS TIME. R & R RT ENG FIRE DETECTION CONTROLLER IAW CE-560XL MM 26-11-02. OPERATIONS CHECKED GOOD, PN OFF 9912036-12, SN OFF 0825-755, PN ON 9912036-12 & SN 1331-363.