I'm at Shine Korea in Tampines, Singapore https://t.co/yiRYkNEt8G
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/yiRYkNEt8G', 'expanded_url': 'https://www.swarmapp.com/c/iJvHNqzBTKS', 'display_url': 'swarmapp.com/c/iJvHNqzBTKS', 'indices': [42, 65]}]
TAMPINES EAST
shine
shine korea tampines 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 contain any information related to a maintenance report feedback for a public flat house in Singapore. The phrase "shine korea tampines singapore" does not provide any context or clues that suggest otherwise. Therefore, the answer is "no" for the question "Does the post relate to a maintenance report feedback to public flat house?"