As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNWANTED FUEL TRANSFER. NR 2 MAIN TO CENTER 100LBS EVERY 4+ MINUTES. *S/D* FOUND COUPLINGS ON THE SCAVENGE SYSTEM LEAKING IN THIRD BAY, LEFT SIDE, AT THE BOTTOM. REPLACED O-RINGS. OPS CHECK AND LEAK CHECK GOOD. SUSPECT VIBRATION & MULTIPLE USE CYCLES LED TO O-RING DETERIORATION.