Suction line leaking

What's the question? You'll need to fix or have fixed that joint. Hopefully it can be repaired without removing a lot of other plumbing. Looks threaded did you try just tightening it? Carefully of course so as not to make it worse.
 
Hard to say but I doubt it. It looks like a pressure line to me not suction. It's coming out of the swg, right? That's like a 5 minute repair though cutting out the leak and putting in a slip joint.
 
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