Sure thing Peggy. With help from others I figured out that it was rot from a combination of sunburn and water left on the leaves. What I did was this: Sterilize a pair of sharp scissors/pruning shears by boiling them in water or wiping with alcohol. Snip off the rotted sections or the entire leaf. Dab the cut end of the orchid with cinnamon, an excellent and cost efficient anti-bacterial/fungicidal treatment. And voila! Your orchid is fixed! Just be careful not to get water on the leaves and the leaves up off the pot material. Make sure you don't leave it by a bright window, orchids like soft filtered light.
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