What was found
DIVERTED DUE TO LT BLEED TRIP. CREW OPENED UP THE ISOLATION VALVE PER QRH AND THE RT BLEED TRIPPED FOLLOWED BY LOSS OF PRESSURIZATION. R & R 14TH STG PILOT VALVE PER B757 AMM 36-11 AND ENGINE BLEED TRIP ODI REMOVED FAN AIR VALVE PER B757 AMM 36-11. REMOVED FAN AIR TEMP SENSOR PER B757 AMM 36-11. R/R LT ENGINE HS PILOT VALVE CONTROL PER B757 AMM: 36-11. REPLACED FAN AIR VALVE PER B757 36-11 AMM. R/R REVERSE FLOW CONTROLLER PER B757 36-11 AMM. R/R #1 ENG HP VALVE PER B757 36-11 AMM. C/W AMDS CARD 3611-2010 PNEUMATIC SYSTEM ENGINE RUN DATA LEFT ENGINE BLEED CKS NML RT ENGINE FAILED. R/R RT ENGINE 14TH STG PILOT VALVE CONTROL AND 14TH STAGE BLEED VALVE PER B757 AMM 36-11. OPS CHECK GOOD.