What was found
IAD - FLT 0712 - PILOT REPORTED NR 1 ENGINE FAILURE WHILE EN ROUTE FROM IAD TO BOS. THE AIRCRAFT WAS DIVERTED TO IAD WHERE IT LANDED WITHOUT INCIDENT. THE NR 1 ENGINE WAS REMOVED AND REPLACED AFTER BORESCOPE OF THE 6TH AND 7TH STAGE COMPRESSOR SECTION FOUND DAMAGE. THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. SUPPLEMENT - INVESTIGATION REVEALED THE PRIMARY CAUSE OF ENGINE FAILURE WAS DUE TO A BROKEN OUT EIGHTH STAGE STATOR SUPPORT. (X)