What was found
ON 09/10/09 THE AIRCRAFT DEPARTED EWR ENROUTE TO OPF, DURING CLIMB IN ICING CONDITIONS; AT 33,400 FT, THE NR 1 ENGINE HAD A COMPRESSOR STALL AND STARTED TO ROLL BACK. THE CREW INITIATED A RELIGHT AND THE ENGINE RETURNED TO NORMAL OPERATION. MAINTENANCE INSPECTED THE AIRCRAFT SEVERAL DAYS LATER AND FOUND THREE DAMAGED C1 BLADES AND THE LEFT AFT PASSENGER COMPARTMENT WINDOW OUTER PANE WAS APPROXIMATELY 85% MISSING.THE AIRCRAFT IS GROUNDED PENDING FURTHER EVALUATION AND REPAIR OR REPLACEMENT OF THE ENGINE AND WINDOW. NOTE: THE ENGINE APPARENTLY SUFFERED FOREIGN OBJECT DAMAGE, A BORESCOPE INSPECTION WILL BE ACCOMPLISHED TO EVALUATE POSSIBLE FURTHER DAMAGE AND A FOLLOW UP SDR WILL OCCUR AS INFORMATION BECOMES AVAILABLE.