Till next dismount @ AMK Hub https://t.co/9Sxu3skuyU
North-East Region
[{'url': 'https://t.co/9Sxu3skuyU', 'expanded_url': 'https://www.instagram.com/p/CN4HZcAnBRzfubYNVF8nnmV4XN1uO1Ch4LyV2A0/?igshid=2fmyfey92dqq', 'display_url': 'instagram.com/p/CN4HZcAnBRzf…', 'indices': [29, 52]}]
ANG MO KIO TOWN CENTRE
['till', 'next', 'dismount', 'amk', 'hub', 'https://t.co/9sxu3skuyu']
[]
till next dismount
till next dismount amk hub
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "till next dismount amk hub" does not relate to a maintenance report feedback to public flat house. The term "dismount" could potentially refer to a bus stop or a train station, but without more context, it is difficult to determine the exact meaning of the post. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.