In September 4, 2007, China Southern Airlines Hainan branch Sanya aircraft repair plant elaborate organization, careful deploy, top with more than 30degrees Celsius, after more than six hours of fighting, the first independent completed a B-2147 aircraft right engine mounting points three isolator replacement. In September 11th, the inspection workshop and the completion of a B-2147 aircraft left engine three isolator replacement, cost savings for the company70000yuan.