score:4
Make sure to correct the passport as soon as possible. Don't ever travel with a passport that has a typo. You would risk one of the followings :
So don't try, you would run into problems and lose money if not more...
Upvote:3
They must have their passports corrected immediately, and stay away from foreign authorities until it's done. The US, in particular, is very quick to draw the conclusion that an applicant is committing fraud in some way, and if they do, you can forget ever setting foot there in your life