Well, there is an 8620 hanging on the plane as of yesterday! FAA says
Once through the Shot Penning it is not airworthy. They found no signs
of rubbing around the area near the hub.

Another Couple Photos of Prop Hub,
http://www.internationalferryflights...op%20Hub_1.jpg
http://www.internationalferryflights...op%20Hub_2.jpg

Belt Hidden Behind Baffling Hard To See.
http://www.internationalferryflights...202/Belt_1.jpg

8620, Grounded! Not Only By My Word the Faa
http://www.internationalferryflights...0_Grounded.jpg