What was found
DURING CLIMBOUT OF NRT, THE NR 2 ENIGNE EXPERIENCED A COMPRESSOR STALL AND SUBSEQUENT VIBRATION OF THE ENGINE. CREW SHUT DOWN THE ENGINE AND RETURNED TO NRT WITHOUT FURTHER INCIDENT. INSPECTION OF THE ENGINE REVEALED NR 5 FAN BLADE BROKEN BELOW THE MID SPAN SHROUD AND THE LIBERATED PIECE EXITED THROUGH THE NOSE COWL AND DOG HOUSE. THE ENGINE, FORWARD FAIRING COVER AND NOSE COWL WERE REPLACED.