Performed annual maintenance 22 yr trane gas package unit ground. Variable speed blower. Inducer making noise. Found out inducer is over amping and out of balance. Part is available in stock. Cleaned burners and flame sensors. System looks good clean for age. System running well at this time. Due to age of system recommend going over replacement options. Tried adjusting inducer to make it sound better. Changed filter for client. System intake air temp 80 supply air temp 125 at registers. Order part returning tomorrow 10-2 arrival to install inducer.