This is strange... the falling sound plays, and the chest closes itself. If there is an item inside, it cannot be retrieved, and the trigger never fires on anything except the trap door.
#[0.9.8.2] Chests on top of trapdoors do not fall but cannot be opened
velvet zodiac
chest basically forces the closed state
it's complicated
but not technically a bug
just wrong behaviour
sterile grail
:D time to put it in a level
velvet zodiac
lol
eternal fog
I did something similar with a spring in front of a chest. opening the chest triggers the spring to bounce you up, but the chest closes again. however you can spam trying to open the chest and it will work
quaint bolt
I find it funny to use as a troll 
eternal fog
exactly
quaint bolt
If Learuis sees this. make it a blueprint