EFFECT
When looting desert temples their is a chance that the chest located inside may be facing the wrong direction. This has no effect on looting.
NOTES
Seems very, very rare.
Loot/Lootability is not affected.
For me it affected 2 chests and they were turned 180 degrees.
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-37393.
Please add a vote and any new information to the main ticket, which will be updated accordingly.
If you have not, you might like to make use of the search feature before making a new ticket, as it's likely that the issue has been reported already.
Quick Links:📓 Issue Guidelines – 💬 Mojang Support – 📧 Suggestions – 📖 Minecraft Wiki