As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NOTICED TORQUE INDICATION WAS FLUCTUATING AND GIVING INACCURATE INDICATION. UPON RETURN OF ENGINE GEARBOX TO THE OVERHAUL FACILITY, PARTICULATE WAS FOUND IN THE TORQEMETER ORIFICE. GEARBOX WAS REPAIRED, RETURNED AND RE-INSTALLED. SYSTEM WAS GROUND AND FLIGHT TESTED WITH NO FURTHER FAULT AIRCRAFT - C-GHWC 206L-1, S/N 52170 (TC# 20110126007)