As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1908, CDG-JFK. (AIRCRAFT PERFORMED AN AIR TURN BACK TO CDG) (ETOPS).'FUEL : AUTO TRANSFER FAULT EXPERIENCED AT FL 320 AT 1 HOUR 25 MINUTES INTO FLIGHT; TROUBLESHOT PER TSM 28-28-00-810-874-A. REMOVED AND REPLACED AFMC IAW AMM 28-51-35. OPS CHECK NORMAL. UNABLE TO DUPLICATE FAULT. OK FOR CONT SVC. REF L/P 4067743. (REMOVED & REPLACED ALSCU IAW AMM 28-46-35. OPS NORMAL NO FAULTS NOTED.)'