This should not be an issue unless it actually dripped into the electrical section
Many 90% Bryant and Carrier units worked with a lot of water damage
As long as the circuit board and gas valve area remain dry you should be fine
Ok. This is a 1980 model #58SS100-BC. Would you suggest I get it inspected before winter?
Also, is the drain pan model # XXXXX brand specific? Is this something I can buy and replace myself? If so, where should I look for the pan?
An inspection is always good before the heating season. The drain pan, if only broken at the fitting can be siliconed back in place. If you are looking to replace the drain pan, it may prove to be costly.Most repairs on older models are inflated to a "comfortable" dealer level to make a new furnace look more appealing. If you attempt your self, it depends on the particular install as to the level of of difficulty.Some even require removal of the evaporator which involes pump down of refrigerant