I would say that your new leave is just orienting itself to get the most light possible- that is an inherent trait in almost any plant. They photosynthesize for energy, so they want to grow/orient themselves in a such a way to make the most efficient use of their solar panels- aka "leaves".
Judging from your pictures, I would not say that your phal is not getting enough light per say- I think that it possibly could use a little bit more but doesn't necessarily NEED it if the green showing in your pictures are accurate to the actual coloring of the leaves in real life. What are your light conditions- do you grow on a windowsill, under lights...? From my experience, Surf Song will never have really bright green-apple colored leaves no matter how much light you give it.
As for the blemishes- sometimes they just kinda happen. If there is no evidence of any insect activity (mealybugs, scale, etc), then I would chalk it up to random mechanical damage that sometimes happens as a leaf is developing if it gets a little "stuck" as it is growing out of the crown. Or it could just be any mechanical damage if it had gotten bumped or anything during watering or staking up those spikes that I also see.
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