As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTV - AFTER TAKEOFF, THE CREW REPORTED THE LEFT ENGINE TORQUE STARTED FLUCTUATIONS BETWEEN 80-90 PERCENT. THE LEFT OIL PRESSURE ALSO STARTED FLUCTUATIONS OF 20 PSI. AIRCRAFT RETURNED TO BTV AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEANED ELECTRICAL CONNECTORS TO ECU. ENGINE GROUND RAN WITH ALL INDICATIONS NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)