June 3 📍 Somewhere in SG 😄 @ Singapore https://t.co/pFL9Za8xdX
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/pFL9Za8xdX', 'expanded_url': 'https://www.instagram.com/p/CA87o5aHGhe/?igshid=jvnc7rmrur74', 'display_url': 'instagram.com/p/CA87o5aHGhe/…', 'indices': [39, 62]}]
MARINA CENTRE
['june', '3', '📍', 'somewhere', 'sg', '😄', 'singapore', 'https://t.co/pfl9za8xdx']
[]
june somewhere
june 3 somewhere sg singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the tweet does not relate to a maintenance report feedback for a public flat house in Singapore. The tweet simply states the date and location, without mentioning any specific issue or problem. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house in Singapore.