As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF DUE TO ENGINE NR 4 MOMENTARY POWER LOSS, ALL ENGINE PARAMETERS NORMAL. RETURN TO RAMP. PERFORMED ENGINE RUN-UP AND NOTICED EPR INDICATOR STICKING. REMOVED AND REPLACED EPR INDICATOR IAW MM 77-1-2 AND SYSTEMS OPS CHECKED NORMAL IAW MM 71-0.