As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS HAD A POWER REDUCTION OF THE RIGHT HAND ENGINE. THE ENGINE HAD 47% POWER WITH POWER LEVERS AT 100%. THE RIGHT ENGINE HAD BOTH A&B EECU FAILURE WITH CODE THAT STATED BOOST ACTUATOR FAILURE. THIS FLIGHT WAS ON A NIGHT CROSS COUNTRY.