As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE HELICOPTER WAS LIFTING A LOAD, WHEN THE FREEWHEEL CLUTCH INSIDE THE COMBINING GEARBOX DECOUPLED OR DISENGAGED ON THE #2 ENGINE SIDE. THE #2 ENGINE WENT TO FLIGHT IDLE. THE PILOT RELEASED THE LOAD AND LANDED AS SOON AS POSSIBLE. THE COMBINING GEARBOX WAS REMOVED AND SHIPPED TO A REPAIR STATION.