As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL MIGRATION IN FLIGHT. EMERGENCY DECLARED. UPON LANDING, CAPT NOTIFIED DISPATCHER HAD OBSERVED AN ABNORMAL DECREASE IN THE FUEL QUANTITY OF HIS LEFT OUTER TANK. R&R LT. O/B REFUEL/DEFUEL VALVE IAW 28-25-12-04 OPS & LK CHECK GOOD. AFTER REPEATED ATTEMPTS WITH DIFFERENT FUEL CONFIGURATIONS DID NOT GET ANY LOSS OF MIGRATION OF ANY FUEL.