As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF, THE FULL ENGINE POWER (43 PSI) WAS NOT ACHIEVABLE, 35 PSI WAS ALL THE ENGINE WOULD PRODUCE. THE PILOT REPORTED ENGINE WAS NOT CONTROLABLE WITH POWER LEVER WHEN PULLED TO IDLE (ENGINE AT 35 PSI TORQUE). ADVISED NOT TO TRY AND START THE ENGINE AND TO REPLACE THE FCU. FCU WAS REPLACED AND ALL ENGINE RUNS CHECKED SERVICEABLE. (TC NR 20070717015)