Surface mineshafts in mesas use cave_air. This is most likely "Won't Fix" or "Works as Intended" but thought it should be reported. This could be fixed by checking if there's any blocks above it.
Seed: -9144014475768710727
/tp @s -160 72 192
relates to
MC-128250Surface water and lava ponds use cave_air
Resolved
MC-125138Mesa surface mineshafts place cave_air even if mineshaft piece did not place blocks