rear shaft

hey all. long time lurker here. first off tyty to all who post here. the knowledge on these boards is incredible. my question is i have a 98 lc w 293k and recently had a local shop do some work on cv axles. they notice a weeping rear transfer case and attempted to replace seals. they also...

Scratched the rear shaft of transmission while pulling the seal. Any suggestions to fix it? Or is it not a big enough scratch to cause a leak