What was found
DURING TAKEOFF ROLL JUST ABOVE 80 KNOTS A LOUD BANG WAS HEARD FOLLOWED BY AIRCRAFT SHIMMY. FLIGHT CREW ABORTED TAKEOFF AND NOTICED ENGINE NR 2 VIBRATION. ENGINE NR 2 WAS SHUTDOWN. MAINTENANCE FOUND FAN BLADES DAMAGED AND 1 BLADE BROKEN OFF AT THE BLADE ROOT. THERE IS CASE DAMAGE HOLES/CRACKS, 1EA "CHIPPED" CABIN WINDOW AND RIGHT WING FLAPUPPER SURFACE DAMAGE. ENGINE NR 2 REPLACED. ALSO PASSENGER WINDOW AT ROW 23 ON RIGHT SIDE REPLACED AND RIGHT WING FLAP UPPER SURFACE REPAIRED.