As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW NOTICED LT BLEED FAIL DURING TAKEOFF, JUST AFTER, THE LT TORQUE DECREASED ALONG WITH THE LT PROP RPM. THE ITT STARTED TO INCREASE BEFORE THE CREW SHUTDOWN THE ENGINE. ACFT RETURNED BACK TO THE AIRPORT WITHOUT ANY FURTHER INCIDENT, THE ENGINE IS IN THE PROCESS OF BEING REMOVED AND SENT TO AN O/H FACILITY TO INVESTIGATE FAILURE.