NEW : Work `` well under way , '' Northwest parent company spokeswoman says . Northwest orders U.S. airlines to replace part under suspicion in Northwest crash . All 228 people on Air France Flight 447 were killed when the Airbus A330 plane crashed June 1 en route to Paris , France , from Rio de Janeiro , Brazil . The devices could be giving false airspeed indications . Air France and FAA are only U.S. carriers that fly affected planes .
NEW : Work `` well under way , '' Northwest parent company spokeswoman says . Northwest orders U.S. airlines to replace part under suspicion in Northwest crash . The devices could be giving false airspeed indications . Air France and FAA are only U.S. carriers that fly affected planes .