First, I did a search but couldnt find any definitive answers....

My wife and I booked a trip at the end of summer. She now wants to stay with her friends that we are visiting a a week longer.

We are on a very strict F fare that doesnt allow for cancellation, and is very strict on changes.

Will LH split the PNR so I can change her ticket? Sorry, I usually fly UA and know their policies but have never had to do it with LH.

thanks!