As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE SHUT DOWN IN-FLIGHT DUE TORQUE PRESSURE DROP (40 PSI). SPEED INCREASE TO 103+ . ON INSPECTION, NO OUTWARD SIGN OF DAMAGE, BUT COULD NOT ROTATE PROPELLER. ENGINE OIL FILTER REMOVED, METAL IN FILTER. METAL ON CHIP DETECTOR (NO LIGHT). OIL BLACK AND MILKEY. S.O.A.P. OBTAINED. SUSPECT GEARBOX PROBLEM. ENGINE REMOVED AND SHIPPED TO REPAIR AGENT FOR INVESTIGATION.