As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE DRIPPING LIQUID. GROUNDED - YES. RAN #2 ENGINE FOR 5 MIN OIL LEAK TO BE COMING FROM BASE OF OIL FUEL HEAT EXCHANGER. UPON FURTHER INSPECTION FOUND OIL LEAKING FROM THE TRANSFER GEARBOX TO ACCESSORY GEARBOX. REMOVED AND REPLACED DAMAGED O-RING (27) REF B737-800 AMM 72-62-00-400-801-F00. PERFORMED IDLE LEAK CHECK . NO LEAKS NOTED. PERFORMED PART POWER LEAK CHECK PER AMM 71-00-00-700-823. NO LEAKS NOTED.