As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAKEOFF ROLE AIRCRAFT LT ENGINE ONLY DEVELOPED 1,000 LBS TORQUE. AIRCRAFT RETURNED TO HANGAR. MAINT RAN AIRCRAFT IN MANUAL MODE & AIRCRAFT DEVELOPED POWER. AFTER TROUBLE SHOOTING MAINTENANCE FOUND O-SPRING BROKE IN THE THROTTLE QUADRANT AND FELL INTO THE THROTTLE POT SENDING A FALSE READING TO THE COMPUTER LIMITING TORQUE.