Fine Crack in Sump (Golf mk5 2.0tti)

[andrewgateway]

During an oil change today I noticed a lot of fine crack in the sump. Do you think that a new sump is required?

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[zollaf]

can't see anything, was oil leaking from it, or is it just a casting mark..

[andrewgateway]

No oil leaking. I have added another picture, they are more visible in that one.

[zollaf]

its just casting marks, they do look like fine cracks but they are not..