Pre-COVID, once upon a time I was slim 😭😭😭 🐮🐮 @ Singapore https://t.co/HBBlgRvX3i
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/HBBlgRvX3i', 'expanded_url': 'https://www.instagram.com/p/CA0yHMCj6xY/?igshid=yxsjf7emh2b5', 'display_url': 'instagram.com/p/CA0yHMCj6xY/…', 'indices': [58, 81]}]
MARINA CENTRE
['pre-covid', 'upon', 'time', 'slim', '😭', '😭', '😭', '🐮', '🐮', 'singapore', 'https://t.co/hbblgrvx3i']
['slim', 'time']
once upon time slim
precovid upon time slim singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the Twitter post you provided does not mention anything related to maintenance report feedback for a public flat house in Singapore. The phrase "precovid upon time slim singapore" does not provide any context or information that would suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house.