Since the CRL for Incinerator Trooper needs updating, I thought I would go with the in-game reference as my main source.
I used textures ripped from the game and saw that the pauldron was orange with brown-red weathering, and the normal map had stitch lines going through the orange area.
Some versions of the game used lower quality models which may have not used the normal map and AO, which makes it to look flat.
I guess I will have to wait until the updated version of the CRL goes live one day...! Or make red one for now