I can't find any additional information about this, but would be most interested in learning more if there is any more to be learned.
The most recent thing I can find regarding a Dash 8 emergency is at Manchester and is dated September 26, and is about the loss of an exhaust baffle from #2 and vibration due to prop-shaft bearing wear.
The same article refers to the airframe as a "passenger jet," and then goes on to describe its propellers. So, who can say that a single word is accurate? Oh, the media and aviation, where will it all end?
If there was a double engine out aboard that flight ~ 20 miles out ~ that was some nifty flyin'.