The challenges of non-automated production, like the Aircraft Assembly (FAL/GAL), Satellite AIT/AIV, Shipbuilding, etc., are not like the challenges of automated production (like cars).  

Challenges here include are things like:

• Reducing or eliminating unplanned work.
• Ensuring that the engineers have comprehensive, up-to-date, information to guide the production & MRO process.
• Avoiding costly delays in the non-automated production process.
• Efficiently capturing and demonstrating full traceability for audit & compliance.
• Leveraging Industry 4.0 to accelerate complex production.
• Ensuring prevention of loss (risk reduction)
• Paper to digital migration
• Etc.

There are few things more frustrating than Production Stalls - having products half-built, expert engineering teams available, but unable to proceed with the assembly and integration owing to unforeseen circumstances. Equally frustrating is having to deal with a significant amount of unplanned work. Work that has to be repeated, sometimes because a test configuration was wrong, or because some information was missing when the decision to proceed with testing was made, etc.