What was found
AUX PITOT LIGHT CAME ON DURING APPROACH. GROUNDED - YES. FOUND AUX PITOT C/B OPEN. ACCOMPLISHED FIM 30-31 TASK 801. INSPECTED AUX PITOT C/B AND RESET PER AMM 20-60-01. AUX PITOT C/B POPPED OPEN AGAIN. PERFORMED OHM WIRING CHECK ON A0025 RIGHT PITOT HEATER (AUX). OHM CHECK FAIL; LOW OHMS. REF WDM 30-31-12. REMOVED AND REPLACED AUX PITOT PROBE. PERFORMED INSPECTION OF AUX PITOT C/B AND BEHIND PANEL. NO DEFECTS NOTED; PUSHED IN C/B REF AMM 20-60-01. OPS CHECK OF AUX PITOT PROBE AND LEAK TEST GOOD. REF AMM 34-11-01.