In catalog items of Cargo plane 7734 is mistake. There are not 10 pieces of
3623 White Plate 1 x 3 but only 2 of them. I dismantled this set and I am 100%
sure than this is mistake . I also checked this on Youtube.
[...] I just verified the piece count from the instructions online at lego.com and the piece count for white 1x3 plates shows 10 are included. BrickLink's set inventory [...] (17 months ago, Jan 5, 2023, to Catalog Requests)