I'm at Kaboom https://t.co/1390Xy3jSu
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/1390Xy3jSu', 'expanded_url': 'https://www.swarmapp.com/c/2nanKtJwH1J', 'display_url': 'swarmapp.com/c/2nanKtJwH1J', 'indices': [14, 37]}]
CHANGI AIRPORT
["i'm", 'kaboom', 'https://t.co/1390xy3jsu']
[]
kaboom
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the post does not relate to a maintenance report feedback to a public flat house. The term "kaboom" does not provide any context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to this category.