When standing on a closed oak trapdoor directly over a water source block and using an item, the water splash sound will play on repeat until you step off of the trapdoor.

Steps to reproduce:

1. Place an oak trapdoor directly above a water source block
2. Stand on the trapdoor
3. Cast a fishing line into some water

Observed results:
The water splash noise continuously plays until you step off of the trapdoor

Expected results:
The water splash noise plays once