Two years after Malaysia Airlines Flight MH370 vanished with with 239 people on board, an object that could be debris from a Boeing 777 has been found off Mozambique, sources told NBC News.

Investigators in Malaysia, Australia and the U.S. have looked at photographs of the latest object and sources say there is a good chance it derives from the doomed jet.

The object has the words "NO STEP" on it and could be from the plane's horizontal stabilizer — the wing-like parts attached to the tail, sources say. It was discovered by an American who has been blogging about the search for MH370.

Norshafiza Zulkifli, spokesperson for Malaysia Airlines told NBC News that "it is too speculative at this point" for the airline to comment.

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