As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS THROTTLES WERE ADVANCED FOR TAKEOFF, THE RIGHT ENGINE EPR INDICATION WAS INOPERATIVE. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE APPLIED HEAT TO ASSOCIATED EPR LINES AND RAN ENGINE. INDICATIONS WERE OK, SUSPECT ICING OF EPR RELATED LINES.