What was found
AT CRUISE MASTER CAUTION BLEED TRIP OFF LIGHT (LT SIDE) RAN CHECK LIST, LIGHT DID RESET. ACCOMPLISHED FIM TASK 36-10 TASK 801 PRELIMINARY CHECKS RESULT IN NO DEFECTS FOUND. DURING FURTHER TROUBLESHOOTING FOUND WTAI VALVE OPEN, OPS CHECKS GOOD. REF BLEED TRIP ORGANIZED BY FLIGHT PHASE CHART. CRUISE FAULT NOTE WTAI IN CRUISE CAN CAUSE HIGH STAGE VALVE TO OPEN, CAUSING OVERTEMP NO HISTORY 60 DAYS. ACFT RELEASED FOR SERVICE.