Upon arrival Found evaporator coil housing door no sealed properly to housing or supply air distribution plenum. Evaporator coil was partially iced up… Clogged primary drain line… 20 x 25 x 4“ air filter was clean and pointed the right way. No restrictions in blower motor housing. Checked all: electrical components Zone board/damper motors/thermostats, all communicating properly and open / closed when commanded to. Provided courtesy repairs since our company was just out here on different occasions as of recently-performing AC maintenance/motor replacement/noise complaint. - properly air sealed coil door to housing and housing to plenum. - Cleared primary drain line that runs to upstairs sinks. Did a sink drain test after clearing the drain lines. Passed all drainage tests after repairs. - electronic leak inspection on evaporator coil. Small leak was found in the bottom, right hand, side of evaporator coil. photo documentation, and video made of leak search. After courtesy repairs pr