There are lots of information from Airstreamer
Replacing the Belly Skin - Vintage Airstream
Skin & Corrosion Updates - Airstream Forums
The Great Airstream Office Debacle – Dean's Garage
Panel damage what do you think it will cost? : r/airstream
Let Us Repair Your Airstream From Any Damage Airstream Polishing, Aluminum Fabrication & Restore
Airstream Update: Polished! – WatsonsWander
Corrosion problems with new Airstreams - Page 14 - Airstream Forums
Working on a Trillium 5500 - Page 5 - Fiberglass RV
The Great Airstream Office Debacle – Dean's Garage
Window Repair-1954-1958 - Vintage Airstream
Airstream Polishing The House on Rynkus Hill
Filiform corrosion - Vinnie's Northbay Airstream Repair
Polishing - Vintage Airstream
Airstream Polishing The House on Rynkus Hill