If you wired the 30 AMP like a household type...you wired it wrong and gave the Airstream a 220v shock. You fried almost everything. RV 30 AMP IS NOT the same thing and many folks have learned the hard way. I came close once.
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."