means HPD people are idiots and cannot put a proper status for ordinary people to understand.
Yea, pretty much what the above person said.
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It means that your Landlord or whoever had a violation has now certified with the court that repairs have been completed.
CIV14 MAILED means a letter has been sent out to you, asking if the violations have in fact been corrected like the Landlord said. If they haven't, there's a copy for you to explain and return to them.
Hope this helped!