What was found
STATUS MESSAGE RT ENGINE HPSOV. TRANSFERRED TO MDDR 135117, AS PER MEL 36-11-02-02, CAT C DUE DATE 08OCT20. MIA MX, 05OCT20. REMOVED AND REPLACED RT ENGINE HPSOV, IAW AMM 36-11-07. OPERATIONS CHECK AND LEAK CHECK GOOD. PERFORMED ENGINE RUN UP, OPERATIONS CHECK HPSOV AND T/R NORMAL, IAW AMM 71-00-00 AND 78-31-00. THIS CLEARS MDDR 125117. FOUND LEAK AT T-FITTING OF PRECOOLER, REPLACED PACKING. LEAK CHECK GOOD, IAW AMM 36-00-21. THIS CLEARS MDDR 135117, PLACARDS REMOVED. S/N OFF: NSN, P/N OFF: BACP11K6.