As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL BURNS FROM RT TANK WITH RT CTR PUMP ON. WITH CROSS FEED VLV OPEN & LT CTR PUMP FEEDING RT ENG, NO MORE FUEL BURNS FROM RT TANK. APPEARS RT CTR PUMP DOES NOT OVERRIDE RT MAIN TANK PUMPS TO FEED THE RT ENG. PROBLEM FOUND TO BE THE RT WING OTBD FILL VLV, REPLACEMENT ACCOMPLISHED.