AS A NEUTRAL OBSERVER, it seems the h/o has been doing a lot of work on these units. from his post, the fan on the fan motor fell off. h/o took top off condenser off,and put the fan back on the motor,by himself, w/o possible realizing the fan, by falling off the fan motor, may have damaged the condenser coil. the h/o then starts up condenser. it's possible that when the inside coil above the furnace,became frozen, after fan fell off cond. fan motor, that the frozen ice on evap coil could have fell off as a chunk of ice and cracked the pan, i've seen this happen.this coud explain the leaks coming from the coil on top of the furnace, imo, i can't figure out why another hvac guy wasn't called, instead of letting the unit run for three months leaking water like it has, something doesn't add up here.it seems that this whole ball got rolling when the fan motor fell off the fan motor, and was repaired by the h/o, who isn't a trained hvac tech, and this could have set this whole disaster in motion! just a observation! i mean how many contracters like a home owner repairing there own equipment as well as adjusting wiring inside a furnace, this is an interesting post.