Serious cirrus clouds on high @ Singapore https://t.co/SdgyuW6Jlw
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/SdgyuW6Jlw', 'expanded_url': 'https://www.instagram.com/p/B80_uhmnA3y/?igshid=u7vn4luyj9f9', 'display_url': 'instagram.com/p/B80_uhmnA3y/…', 'indices': [42, 65]}]
MARINA CENTRE
['serious', 'cirrus', 'cloud', 'high', 'singapore', 'https://t.co/sdgyuw6jlw']
[]
serious cirrus high
serious cirrus clouds high 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 term "serious cirrus clouds high 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.