What was found
EWR - FLT 0428 - TAKEOFF WAS ABORTED AT LESS THAN 60 KNOTS AFTER TOWER REPORTED SPARKS WERE COMING FROM THE LEFT ENGINE TAILPIPE. MAINTENANCE PERFORMED A BORESCOPE INSPECTION OF THE NR 1 ENGINE AND FOUND DAMAGE TO THE 6TH STAGE COMPRESSOR BLADES. THE NR 1 ENGINE WAS REMOVED AND REPLACED. SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. SUPPLEMENT: TEAR DOWN FINDINGS REVEALED 8TH STAGE STATOR SUPPORT SHELF BROKE AND CAUSED COMPRESSOR DAMAGE. (X)