As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) POWERPLANT MESSAGE ON ED DURING CLIMBOUT. WIRING CHECKS PERFORMED AND NR 2 PEC REPLACEMENT IAW TASK 61-20-36-000-801 AND 61-20-36-400-801 DUE TO NR 1 CHANNELS A & B POWERPLANT FAULT 456 AND NR 2 CHANNEL B POWERPLANT FAULTS 456 AND 794. CLEARED FAULTS AND GROUND RAN NR 1 AND NR 2 ENGINES AT VARIOUS POWER SETTINGS FOR 20 MINUTES. NO FAULTS RETURNED.