As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT TO TAKE OFF T/E DISAGREE KEPT POPPING UP AND A/C RETURNED TO THE GATE AND MTX GROUNDED A/C . AFTER TROUBLR SHOOTING REMOVED AND REPLACED FSEU IAW AMM 27-51-01OPS CHECK GOOD NO FAULTS NOTED AT THIS TIME AND RETURNED A/C TO SERVICE.