U.S. inspectors probe deadly Southwest jet engine explosion

(Reuters) - The National Transportation Safety Board on Wednesday was inspecting the wrecked engine of a Southwest Airlines Co jet that blew up in mid air, killing a passenger in the first deadly U.S. commercial airline accident in nine years.NTSB officials retrieved the flight data recorder from the Boeing 737-700, which will be sent to Washington for review, as airlines around the world stepped up inspection of engines on that model of aircraft.Southwest Flight 1380, which took off from New Yo