Remove Headliner Water Stains?

Knot Waiting

Senior Chief Petty Officer
Joined
Jun 23, 2006
Messages
761
The headliner in my cabin has several areas that are stained a light brown due to the hatch being left open or something. I tried a general purpose upholstery cleaner and stain remover to no avail. Any suggestions? I'm afraid that too much chemical exposure and scrubbing will cause the adhesive to fail and the headliner will sag. Thanks.
 
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