As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE DID NOT REACH TARGET EPR ON TAKEOFF. THE CREW ELECTED TO COMPLETE THE TAKEOFF, JETTISON 5,000 LBS OF FUEL WHILE IN FLIGHT AND RETURNED TO MSP. SUBSEQUENT LANDING OCCURRED WITHOUT INCIDENT. MAINTENANCE TRIMMED AND TESTED THE ENGINE, PERFORMANCE WAS SATISFACTORY. THE AIRCRAFT RETURNED TO SERVICE.