As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 12000FT EXPERIENCED A LOUD BANG AND SHUTTER. RIGHT ENGINE EGT EXCEEDED 700 AND ROLLED BACK THROTTLE IS BOUND FROM 2" TO IDLE FUEL LEVER IS LOCKED IN ON POSITION. REMOVED AND REPLACED RT ENGINE IAW TASK CARD R087101. OPS AND LEAK CHECKS GOOD. NO BINDING NOTED IN THROTTLE AND FUEL CUTOFF CONTROLS.