The code is already in passcode format except for the keyword
Take the code as 3 groups of 5: 2UNS9 ENORD S7A4H
Notice that ENORD reversed is DRONE, a valid keyword. Reverse the groups but not the order: 9SNU2DRONEH4A7s
Code #2
Observations
All letters with the exception of ‘;’. YOW appears twice at the start, separated by 3 characters.
QWERTY keyboard, reverse the rows. twojyhtwosignalnninebsevent
2jyh2signaln9b7t
Code #3
Observations
Only 4 unique characters in the code, all letters and letter distribution not uniform.
Hint
Maybe Julius can help you.
Apply Rot11 (Ls capitalized to make it easier to read): LLxxxviiiLxxiLxxixLLxviLxxixLxxxiiiLxxixLxxviiiLxxxviiiLiiLxxLvLxxxi
Split at Ls: L Lxxxviii Lxxi Lxxix L Lxvi Lxxix Lxxxiii Lxxix Lxxviii Lxxxviii Lii Lxx Lv Lxxxi
Roman numerals to decimal numbers: 50 88 71 79 50 66 79 83 79 78 88 52 70 55 81
Decimal to ASCII: 2XGO2BOSONX4F7Q