As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO FIRST FLIGHT OF THE DAY FOUND NR 2 ENGINE STATIC FUEL LEAK FROM RT VSV DRAIN AT 28 DPM. RAN NR 2 ENGINE, NO LEAKS NOTED AT IDLE RUN AND AFTER SHUT DOWN, REF B737-900 AMM 71-71 00. BEFORE AND DURING NR 2 ENGINE RUN FUEL/OIL HEAT EXCHANGER LEAKING AT 6 DPM, AFTER SHUT DOWN LEAKING AT 1 DPM, REF AMM 71-71-00. GROUNDED-YES. REMOVED NR 2 ENGINE OUTBOARD VSV ACTUATOR, REF B737-900 AMM 75-31-01/401. LEAK TEST GOOD. OIL/FUEL HEAT EXCHANGER REMOVED AND REPLACED IN LOGPAGE 60068973.