What was found
TE FLAP ASYM EICAS B FLAP ASYMMETRY TE FLAP ASSYM WHEN SELECTING FLAPS 25. R FLAP WENT TO 25 L WENT FROM 20 TO 17.5 LOG PAGE LOCKED DUE TO GO AROUND FOR INFO ONLY, BITE ALL 3 FSEU DID NOT REGISTERED ANY FAULTS ON LAST LEG. HAD A DEBRIEFING WITH THE PILOT. PILOT STATED THAT THERE WAS NO STATUS MSG AND DID NOT FEEL ANY ASYMMETRY. PILOT FOLLOWED THE QRH AND WHEN HE SELECTED TO FLAPS 20, BOTH FLAPS WENT TO 20. UNLOCK FOR SIGN OFF REMOVED AND REPLACED LEFT TE FLAP POSITION TRANSMITTER IAW AMM 27-58-03. OPS CHECK GOOD.