New Hydroponic Amaryllis Blooms + Some Strange Orchid Leaf Damage?

My Amaryllis is blooming again! Only one bloom this spring, but I wouldn't be surprised if I get another one in not too long.

pretty amaryllis blooms created with the help of coco coir and hydroponics

You can go to this post regarding my thoughts on growing houseplants if you'd like to see pictures of the last time my amaryllis bloomed.

Unfortunately, one of my orchids is having what appears to be some difficulty. I'm not sure if this leaf damage was caused by a nutrient burn, excess sunlight, or if the plant is simply killing the leaf off in order to grow further. I have seen many orchid leaves shrivel up and die though, and this damage seems very unnatural. It's possibly some sort of pest, but I really don't think so. It is growing out a new leaf right now however, so I am optimistic about the health of the plant.

strange orchid leaf damage, I am unsure if  it is caused by excess nutrients or sunllight

This type of orchid can also take a lot of sunlight, so I doubt that it's sun burn.

Anyone know what it is?