We were shocked when we found/find out the toilet had/has no flush.
My natural intuition would lead me to write this way:
We were shocked when we found out the toilet had no flush.
Then I thought that I was really trying to say that it's the kind of traditional toilet where there is no such thing as a flush — they cover them with banana leaves (seriously). So, I am stating a fact that still holds true. Hence I revised as below.
We were shocked when we find out the toilet has no flush.
Can someone please explain and/or correct the sentence above?