Flight 370 Search: Submersible Adjusted to Go Deeper

Search for the missing jet continues after the Bluefin-21 spent its first 16-hour day mapping the ocean floor.
1:26 | 04/17/14

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Transcript for Flight 370 Search: Submersible Adjusted to Go Deeper
Now, to the latest on the hunt for flight 370. And news that the oil slick found near the search area is not from an airplane. The submersible about to be sent down deeper. In the same area searchers have locked in on. David Kerley is in Washington and has the latest for us. Reporter: News this morning. I learned that searchers saw something in yesterday's dive. They're going back to that area right now with the bluefin-21. We're taking you down to the bottom of the ocean where they are looking with that submersible. Mapping the ocean floor. It's deep. 15,000 feet. And they've now adjusted the bluefin so it can go deeper than its maximum, which is 15,000 feet. It drops off and some of the areas are much deeper. They have an area of interest now. And they think it will be safe to send the bluefin back there and take a look, robin. A full 16-hour day. How much of the area, the bottom, has it been able to map? A lot, actually. They were going to concentrate on a 15-square-mile area. But the bluefin has mapped 35-square-miles. It was on one of the runs yesterday, that something of interest was seen. That's the concentration for today. The bluefin down there as we speak. Hopefully we'll learn something new. Big news. We're going to turn to a

This transcript has been automatically generated and may not be 100% accurate.

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