As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJC FLIGHT NR 2406: POWER PLANT MESSAGE ON ED DURING PUSHBACK AND TAXI. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND INSTALLED SERVICEABLE FADEC IAW Q400 AMM TASK 73-21-01-000-801 AND 73-21-01-400-801. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.