sunroof headliner cloth unattached from track

What is your question?

We do car interiors, good friend has inner sunroof cover, headliner material on one side has come unattached from the tracking edge. Any repair suggestions? Or should we steer clear and send him to a dealership?

What makes this problem better or worse?

open and close

How long has your 2015 Cadillac SRX had this problem?

30 days