It appears to be some sort of aerodynamic effect

This seriously hampers the investigation. Let's face it. We're now reduced on this accident to having only radar data and whatever information we can glean from that (and) eyewitness statements.

There is relatively little damage to the propellers, ... And this of course would imply and back up the pilots' report of losing power on both engines.

He was cooperative, ... We were
thankful for that.

Last November, an engine was removed from another airplane (and was) put through some degree of maintenance at Delta. This had to do with an oil leak on the front bearing, which is at the very front end of the engine.

The operations group will be interviewing the crew this afternoon. I understand that he saw some misalignment in the track that caused him to put his brakes on.