As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AS TAKEOFF POWER WAS APPLIED, THE RIGHT ENGINE EPR INDICATION DID NOT RESPOND. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE APPLIED HEAT TO THE RIGHT ENGINE EPR TRANSMITTER. OPERATIONAL CHECK WAS ACCOMPLISHED, ALL ENGINE PARAMETERS WERE NORMAL. SUSPECT ICING OF EPR LINES.