What was found
ABORTED TAKEOFF DURING T/O ROLL WITH LESS THAN FULL POWER AND WING ANTI ICE ON, THE CREW HEARD A LOUD NOISE WHICH SOUNDED LIKE COMPRESSOR STALL. THE T/O WAS ABORTED. EXTENSIVE TROUBLESHOOTING WAS PERFORMED DURING WHICH A SIMULATED T/O ROLL. DUPLICATED THE PROBLEM WHICH WAS ALSO ACCOMPANIED BY AN ANTI ICE OVERPRESSURE WARNING. THE ENGINES HOWEVER OPERATED NORMALLY WITH WING ANTI ICE OFF. TROUBLESHOOTING IS NOW FOCUSING ON AIRFRAME ISSUES.