Wed Sep 14, 2022 10:49 pm
I think Lyle is correct. In walk-around photos, they are capped by removable red leads, indicating they are ports. In addition, several feet ahead of them, but in the same line of the fuselage, there are intake ports, also capped with red leads. So my guess is these are intake/exhaust pairs, on each side. Probably for cooling but could have other purposes as well.