As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6941 - LYH-IAD - DURING CRUISE THERE WAS AN ERRATIC TORQUE FLUCTUATION IN THE LEFT ENGINE. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE MAX FUEL FLOW DOWN 30 PPH. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (W)