As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON WALK ALROUND FOUND FUEL LEAK UNDER #2 ENGINE. GROUNDED - YES. FOUND FUEL LEAKING AT #2 ENGINE MAIN OIL/FUEL HEAT EXCHANGER PAD DRAIN AT 27 DROPS PER MIN IAW B737-800 AMM 71-71-00-200-801. REMOVED AND REPLACED MAIN OIL/FUEL HEAT EXCHANGER, LEAK CHECK GOOD. REF AMM 79-21-02 / 801-F00.