The captain of the pilot passenger plane was praised for landing at Philadelphia international airport safely. A passenger was killed by a passenger plane landing at Philadelphia International Airport on April 17th, local time. According to foreign media reports, on the morning of 17, the Southwest Airlines flight from New York La Guardia Airport to Dallas suddenly exploded in the flight, and the aircraft was forced to drop in. Proof of fatigue of engine fan blade with metal fatigue After several hours of emergency landing, investigators from the national transportation safety board saw a piece of fan blades left on the left engine when they inspected the damaged engine. After a preliminary investigation, the investigators believe that there is evidence of metal fatigue at the blade fracture. According to reports, investigators initially found that the accident was apparently similar to the fault of another plane of Southwest Airlines 2 years ago. The incident prompted engine manufacturers and authorities to strongly demand a supersonic inspection of the fan blades of similar engines. It is reported that the accident aircraft used the same type of fan blades. After that, investigators will focus on whether the fan blade is broken at about 500 miles per hour, resulting in an uncontrollable malfunction of the engine and causing debris to fly to the fuselage like a bomb fragment and break a window. It is reported that at the time of the accident, a shrapnel broke the window, and a female passenger was sucked out of the window. The National Transport Safety Commission said in social media that the agency will be responsible for the investigation of the crash. The figure is that the investigators are checking the engine that has exploded. Female captain unruffled appreciated According to reports, the female Jang Schall F for the U.S. Navy pilots before, is one of the first batch of female pilots driving F-18 fighters, while serving during the training period, had been driving F-18 fighters in the speed of 240 km high-speed, landing aircraft carrier. At the time of the plane crash, the aircraft was in chaos, but he still calmly reported the situation to the air traffic controllers, saying that the aircraft lost some of its components, and asked the rescue workers to prepare for the rescue at the airport. After the plane landed, she talked to everyone on the plane more personally, thanking them for their courageous performance. Passengers have praised the schartz is a true American hero, thank you very much for her show courage in a crisis, bless her staff and crew. It is reported that the schartz since childhood to fly, tried in the aviation industry in the introduction of occupation high school, but was told not to admit women. She joined the army after graduation in the medical, the US Navy is one of the first batch of female pilots. After the schartz, transferred to the instructors, and retired in 1993, joining the Southwest Airlines, now she has two children, and the same for the captains husband living in texas.