What was found
ABORTED T/O IFSD DURING EARLY T/O ROLL CLOSE TO FULL POWER, LOUD NOISES (SUSPECTED COMPRESSOR STALLS) WERE HEARD FROM 1 (OR BOTH) ENGINES. THE T/O WAS ABORTED. POST FLIGHT INSP FOUND NO DAMAGE ON THE ENGINES AND NO CAUSES WERE IDENTIFIED FOR THE NOISES. GROUND RUNS WERE SATISFACTORY AND THE ACFT WAS RETURNED TO SERVICE.