What was found
FLIGHT 9495 - AFTER TAKEOFF AND DURING CLIMBOUT OF CVG ENCOUNTERED SURGING OF LEFT ENGINE N1 AND N2, FLIGHT RETURNED TO CVG. REPLACED THE LEFT SPEED CONTROL AMPLIFIER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 9495 - AFTER TAKEOFF AND DURING CLIMBOUT OF CVG ENCOUNTERED SURGING OF LEFT ENGINE N1 AND N2, FLIGHT RETURNED TO CVG. REPLACED THE LEFT SPEED CONTROL AMPLIFIER.