Is it just the bottom of part 0413402-6? Could you ask the mech how much labor would be charged to bend up a new bottom end and make the minor repair to the bottom assembly? 1 hr labor and materials should be $110'ish
Here is something that a 12 year old can make in shop class...
https://bogertaviation.com/collecti...50-replacement-battery-box-stc-sa01582se
