As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FUEL DISCOVERED LEAKING FROM APU DRAIN MAST DURING DAILY CHECK. FOUND APU FUEL MANIFOLD CRACKED NEAR B NUT AT FUEL NOZZLE. DIGEST 737NG-FTD-49-05003, DESCRIBES THIS AS A KNOWN ISSUE WHICH IS UNDER INVESTIGATION. FUEL MANIFOLD REPLACED WITH NEW.