As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOG 188378/2 AND 3 - ACFT LEAKING FUEL FROM AFT DRAIN MAST AT TAIL. ACFT SMELLS LIKE FUEL INSIDE CABIN. VERIFIED LEAK COMING FROM APU AND STOPPED WITH APU SHUTDOWN AND ODOR IN CABIN DISSAPATED, REF 188378/3 FOR MEL. RESECURED LOOSE FITTING BETWEEN FCU AND SOLENOID SOV IAW 49-31-05. APU OPS CHECK AND LEAK CHECKS GOOD. REMOVED FROM MEL. (K)