The Federal Aviation Administration ( FAA) has said that it was investigating a depressurization event involving a 
United Airlines Mitsubishi (ex-Bombardier) CRJ550, which was forced to divert to Detroit.
The Federal Aviation Administration ( FAA) has said that it was investigating a depressurization event involving a United Airlines Mitsubishi (ex-Bombardier) CRJ550, which was forced to divert to Detroit.