What was found
BLEED 2 FAULT CAUTION WHILE ON DECENT. RAN QRH CHECKLIST, FAULT EXTINGUISHED. FAULT REAPPEARED WITHIN 5 MINUTES. RAN QRH AGAIN, FAULT CLEARED. RECEIVED FAULT AGAIN & LEFT BLEED DESELECTED. PLACED ON MEL. CLEARED BY REF E175 FIM 36-14-00-810-802-A AND FIM 36-11-00-810-816-A FOR TROUBLESHOOTING. REPLACED RT BLEED TEMPERATURE SENSOR, REF E175 AMM 36-14-03-000/400-801-A. OPERATIONS CHECK GOOD, FAULT CODES DID NOT RETURN. CLEAR MEL. RETURNED TO SERVICE.