Design Flaw...

[emaxxnitro]

also heatshrink the bullet plugs that are on the pcb, another possible problem if a dead short across the heatsink

[RBMike]

Originally Posted by emaxxnitro

also heatshrink the bullet plugs that are on the pcb, another possible problem if a dead short across the heatsink

Whaile your doing the heat shrink, bent the close heatsink fins away from the bullets.