As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) - BLEED BAND OPENED WITH COLLECTIVE PITCH UP AND TORQUE INDICATOR SPIKED AND N1 SPOOL UP. BLEED BAND WOULD NOT CLOSE. N1 TOPPED UP AND TORQUE STAYS LOW. REPLACED BLEED BAND ACTUATOR WOULD NOT SOLVE PROBLEM. PROBLEM WAS FIXED WITH REPLACEMENT OF FUEL REGULATOR . (X)