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Web Exclusive: What caused LOT Polish Airlines Flight 16 to malfunction?

Rock Center

The wheels-up landing of LOT Polish Airlines Flight 16 has been hailed as one of the most dramatic feats of airmanship in recent times, but that's not the end of story. There's still no official answer on what caused the malfunction. NBC News Senior National Producer Tim Uehlinger has more.

Click here to watch Lester Holt's full two-part report on the miraculous landing of LOT Polish Airlines Flight 16.