TESS PDCSAP photometry for sectors 21 and 48. The deep transit events occurring with a period of ~3.89 days are from the known eclipsing binary TIC 4918919. The solid black line shows the best-fitting model from the joint data fit described in Sect. 5.2. The vertical lines represent the central time of the transit of the USP Wolf 327b (orange) and the eclipsing times of the EB TIC 4918919 (blue).