The second of three star fighters launched by the Oraki immediately after the war with the Word of Creation, the Wasp is a short-flight, non atmospheric fighter designed for heavy firepower and survivability.
Cramped crawl spaces, virtually all starships have them, and usually most players ignore them. Unless a nasty alien gets loose inside the ship, even many Gms don't give them a second thought..
Here are 30 other issues that could require some crawl space access and provide an interesting sub plot.
An orc male who dislikes the hard warrior life, has disguised himself as an orc female and is learning how to become a Shaman. If uncovered as a male, his fellow orcs will be disgusted enough to kill him.