As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ENGINE RUNS, EVIDENCE OF A LEAK POSSIBLE FUEL, DRIPPING OUT OF NR 2 ENGINE DRAIN VENT. FOUND DRAIN NR 2 (AIR-OIL HEAT EXCHANGER VALVE) LEAKING AT 15 DROPS A MINUTE DURING ENG OPERATION & CEASES WITH ENG NOT RUNNING. OK FOR 50 FLT HRS. AIR OIL HEAT EXCHANGER 645-3769 ON AOG X3213. REMOVED AIR OIL HEAT EXCHANGER AND INSTALLED NEW ONE UP TO STEP E5 ITEM T1. NEED TO SAFETY FUEL LINES AND INSTALL ACCOUSTICAL PANEL.