Sorry I cant help with a repair spot. Airstream of Arkansas would be my guess. I have been were you are at and its not fun.
The lesson learned here is NEVER LEAVE YOUR AWNING DEPLOYED when you are not there.
Mine got rip off and thrown clear over the trailer.
Roger & MaryLou
F350 CREWCAB SW LONG BED
7.3 liter Power Stroke Diesel
1977 27ft OVERLANDER
AIR # 22336 TAC- OH-7
May your roads be straight and smooth and may you always have a tailwind!