As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNWANTED FUEL TRANSFER (WING TO CENTER TANK, TRANSFERRED 1000LBS, THEN 1200LBS INTO CENTER TANK. FUEL CONFIGURATION LIGHT ILLUMINATED RIGHT WING TO CENTER BOTH TIMES. THE AIRCRAFT WAS GROUNDED. MAINTENANCE ISOLATED 1 LEAK AT THE RIGHT MAIN TANK BULKHEAD AND REMOVED BAD SEALANT, CLEANED AND APPLIED NEW SEALANT IAW AMM 28-11-00-308-013, NO LEAKS NOTED.