the frontier mission: a bridge too far troubleshooting, "fix the tank" Lance Critical Hit Problem

[ZxAsriel]

Each time in the frontier mission "A bridge too far" when I have to fix a tank, the repair thermal lance ends up damaging the tank because somehow I am scoring critical hits on it; it restores to full health but parts of it become crippled and fall off like the tank is shedding it's skin.

I can only assume this is because I am critically hitting it.

 

Does anyone know a console command to advance past the marker for "fixing" the tank? Cause all I'm doing is making a bunch of scrap under the tank that indefinitely stalls it.