47 injured on 747 Jumbo on Northwest Airlines flight into Tokyo Narita airport

Boeing 747-400,believed N676NW-408 passengers and 14 crew. Turbulence on approach to landing over Chiba .Flight NW 2 from Manila onward to Los Angeles.initial report was 39 passengers and 6 crew,including 3 Filipinos. .occurred at 1219pm local time friday. Departed gate at Manila at 0735am, arrived gate at Tokyo at 12.25pm.Flying time of 3hr.54 mins(1 hr time difference ). MNL-NRT-LAX. ( RPLL- RJAA - KLAX ) see Manila airport site = http://manila-airport.net/ see Tokyo Narita airport = http://www.narita-airport.jp/en/index.html see aircraft type involved= http://www.airliners.net/photo/Northwest-Airlines/Boeing-747-451/1479439/L/&tbl=photo_info&photo_nr=51&sok=keyword_%28%5C%27%2B%5C%22northwest%5C%22_%2B%5C%22airlines%5C%22%5C%27_IN_BOOLEAN_MODE%29%29_&sort=_order_by_photo_id_DESC_&prev_id=1479698&next_id=1477853