Lennox furnace serial #5915D00606, model #SL280UH090V36B-03. Current inducer motor has a some corrosion in the inducer port and is marketing a loud grinding noise. The pressure switch has failed as well. Replaced parts per proposal. System is running and working properly at this time. Performed maintenance on AC, did a visual inspection of the outdoor unit and electrical components. Checked temps. System has 20 degree split. Replaced both of customers filters. 16x25x1 for both. Flushed condensate drain, and checked for proper water runoff. Cycled and tested, system working properly at this time. Will bring old parts back to shop for warranty processing. Collected $237.50 via C.C.