I know that is a pain their neck it can be necessary. The same goes for leaking faucets, running toilets, locks that will not lock, cracked plug weights..you know what should fixed or substituted. Deodorize every crevice that smells terrible and see whether the ventilation is in good condition. https://theeducationist.co/question/shower-floor-pans-repair-made-fast-and-easy-3/