Performed diagnostic on 9yr old Goodman heat pump, upon arrival customer stated unit wasn’t cooling properly the other day so he went under house to check filter and found water, checked tstat,nest at 77 reading 77, set temp to 71, unit started up, went in crawl space, inspected ductwork, a lot has been replaced but supply plenum and return plenum in poor shape, recommend replacing both supply and return plenum, inspected air handler, found a lot of rust on bottom of casing also around evap coil, unit has water leaking from bottom, primary drain pan full of water, explained to customer drain line goes straight across the ground and has no fall so water sits in the pipe and cause sludge, which caused the drain to back up, recommend converting to a condensation pump, blower wheel heavily impacted, a lot of biological growth inside system, recommend apcox to help prevent future growth, blower capacitor reading below specs, recommend replacing, inspected outdoor unit, found coil impacted,