As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT START OF TAKEOFF ROLL, THE NR 4 ENGINE DID NOT ACCELERATE OR RESPOND TO POWER LEVER INPUTS. THE TAKEOFF WAS ABORTED AND RETURNED TO THE GATE. MAINTENANCE FOUND A BROKEN COUPLING SCREW IN THE STRUT AREA. REPLACED THE SCREW AND A FUNCTIONAL TEST OF THE THRUST LEVER SYSTEM PER MM 76-11-06 WAS NORMAL.