As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF, NR 1 ENGINE LAGGED BEHIND NR 2 AND WAS SLOW TO ATTAIN TAKE OFF POWER. DURING CLIMB THE NR 1 ENGINE REQUIRED MANUAL THROTTLE MOVEMENT TO ATTAIN COMMANDED CLIMB EPR WITH A THROTTLE LEVER SPLIT THAT REACHED 5 INCHES. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT GROUNDED. MAINTENANCE REMOVED AND REPLACED HIGH PRESSURE FUEL PUMP IAW AMM 73-11-03 AND FUEL FLOW GOVERNOR IAW AMM 73-94-01. OPS AND LEAK CHECKED NORMAL.