As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ON LANDING, THE POWER LEVER STUCK IN IDLE POSITION AFTER TOUCHDOWN. POWER LEVER WOULD NOT GO INTO FEATHER POSITION OR ADVANCE. RELEASED WHEN OFF THE RUNWAY AND ONTO TAXIWAY. IT JAMMED OR STUCK AGAIN AFTER ENGINE SHUTDOWN. DISCOVERED A BROKEN THROTTLE QUADRANT POWER LEVER SPRING STOP. POWER LEVER STOP SPRING INSTALLED AND ALL SYS FUNCTIONAL OPS CHECKS COMPLETED IAW MM 76-10-01. NO FURTHER DEFECTS FOUND OR NOTED.