Checked and cleaned all components. Tightened wiring connections. Drain line ok at this time. Inducer is running near max and makes an intermittent rattling/rubbing noise. Hot surface igniter is testing near max 18.9 ohms (11-19). Blower starting small oil leak. System is operational at this time. Client is having airflow issues in daughters room and master bedroom. Went over some solutions and rough estimates. Client will get back to us to go over options in more detail and get actual estimates. Renewed club membership for routine maintenance and savings.