As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS FUEL IN NR 2 MAIN SEEMS TO BE BURNING DURING CENTER TANK OPERATION. BOTH MAIN TANKS FULL AT DEPARTURE, 8.2. WHEN CENTER TANK EMPTY NR 1 MAIN 8.1 AND NR 2 MAIN 7.3. MAINTENANCE REPORTS PREVIOUS PUMP INSTALLED RECENTLY BAD FROM STOCK. REMOVED AND REPLACED R/H CTR FUEL BOOST PUMP IAW AMM 28-22-41. OPS AND LEAK CHECK GOOD. NO UNWANTED FUEL TRANSFER NOTED.