There were 3 codes found in PAC’s Weekly Wrap-up for April 3 in the Investigation Blog.

[1] yceguuolivrwpeihtmhftqoxw
[2] 7uedpnd6ary9hddo3m
[3] 2lgx1oryvizgvf6l6v

Code #1

Observations

The code has 25 letters in it, which has multiples of 5 and 5:

ycegu
uoliv
rwpei
htmhf
tqoxw

Code #2

Observations

The code has 18 characters (14 letters, 4 numbers), it is a perfect candidate to attempt a transposition:

7uedpn
d6ary9
hddo3m

Code #3

Observations

The code looks like it is in the passcode format but there is a 1 which is not allowed in that format.