As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHORTLY AFTER INSTALLATION OF ENGINE, THE ENGINE WAS TORQUE LIMITED DUE TO HIGH EGT TEMPERATURE. TROUBLE SHOOTING WAS ACCOMPLISHED BY LINE MAINTENANCE AND THE POWER COULD NOT BE RESTORED. THE ENGINE WAS REMOVED DUE TO LACK OF POWER. UPON RECEIPT OF THE ENGINE BY THE ENGINE SHOP IT WAS INSTALLED AS A COMPLETE QEC ONTO THE TEST BUS AND TESTED. THIS RUN VERIFIED WHAT THE LINE MAINTENANCE PEOPLE WERE SEEING, YIELDING POOR PERFORMANCE. TURBINE NOZZLE UNSERVICEABLE.