A Recovered Valve Could Help Explain the Crash of Flight 5428

From:Icy Descent

  • 3m 9s
  • 4K
  • TV-14

Investigators scouring the crash site of Flight 5428 discover the valves of its anti-ice protection system. If they're found to be faulty, it could be the key to unlocking the mystery of the May 18, 2011 crash.