Complaint of mainline clogged Home was built in 1978 and the guest bath toilet is original Both seals on the toilets is blown ,when flushed water comes from the base This normally occurs when there is a back up in home due to pressure Both toilets should be pulled and rest Due to the age of the guest toilet replacing should be considered when pulled The master shower has sand and should be wet vacuum to at least remove sand from trap then cabled The line needs to be cabled build up can be seen after removing clean out After cleaning the line will be viewed to see if further work will be needed after water is dropped Cabling water to drop water Dropped water and viewed upstream to find a belly (pipe is bowed ) There is build up in the line and jetting is suggested Customer advised office they would only like to drop water at this time A warranty can not be given with the piping in this condition Tenant checked plumbing to ensure it is working