It has been fine for 2 years and NOW it is not.Then is was "We will pay but only half the rent because the place has a main line water leak the previous landlord never fixed because her husband died and they could not afford to fix it so our water bill is very high and  we have paid the outstanding $4,000 balance down to $1,000 but you need to fix this."  

A Section 8 applicant can usually not meet the standard criteria like verifiable income of 3x rent(does not matter the source), 2 years of employment history, Minimum credit scores, no evictions, no legal actions from a landlord, no outstanding debt to a utility company, etc. 

If they address the outstanding amounts owed within the 7-days the order is rescinded.  

I had to leave some reserve in old account to cover any outstanding checks.

That price is outstanding!

Outstanding!!

I would personally never take a partial payment only the full outstanding balance.

I understand the desire to get answers but I would think sending out the survey as is would open you up to further financial pain, this time from your tenants.Even if the attorney gives you the OK, I"m not sure that I would mention anything about the former management having issues.You may get your answers and be better protected with a more generic letter introducing the new and improved management team and encouraging the tenants to bring any outstanding issues to their attention right away. 

To clear that up I hope your written communication included the outstanding issues and let them know how to get back to you and in what timeframe. 

I would also apply the rent for this month to the outstanding charges related to the window breakage and serve them a notice to pay or quit.