Originally Posted by
global_happy_traveller
Washroom in your ticketed cabin should be strictly enforced, unless otherwise instructed/exempted by the crew due to circumstances.
I almost got turned back using the lav at the back once by a snarky flight attendant - but I can't fit comfortably in the one at the front on many of the planes (E90, CRA, A319) etc... J should be allowed to use Y no questions asked...