As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB OUT OF YYZ, NR 1 ENGINE EXPERIENCE A MOMENTARY LOST OF THRUST. ALL ENGINE PARAMETERS DROPPED AND THEN COME BACK. FUEL AMPLIFIER N1 AND N2 DATUM ADJUSTED, WIRING CHECKED FROM AMPLIFIER TO FUEL PUMP, FUEL PUMP REPLACED. AIRCRAFT RELEASE FOR FLIGHT TEST UNDER CARS 605.86. FLIGHT TEST SUCCESSFUL.