As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FL 91, DURING TAKEOFF, CREW NOTED LEFT ENGINE EPR DECREASING FROM 1.72 TO 1.5 TO 1.5. TAKEOFF WAS CONTINUED WITH REDUCED THRUST. FLIGHT RETURNED PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT ENGINE FUEL FLOW GOVERNOR. (M)