Caught a shiny Carvanha.
#keepcalmandcatchpokemons @ Kaki Bukit Estate, Singapore https://t.co/5RXbBhOM0R
<a href="http://instagram.com" rel="nofollow">Instagram</a>
East Region
[{'url': 'https://t.co/5RXbBhOM0R', 'expanded_url': 'https://www.instagram.com/p/CARyw72DlAw/?igshid=hz30d6y6mr5c', 'display_url': 'instagram.com/p/CARyw72DlAw/…', 'indices': [82, 105]}]
KAKI BUKIT
caught shiny kaki estate
caught shiny carvanha keepcalmandcatchpokemons kaki bukit estate singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for a public flat house."},
    ]

It seems that the provided Twitter post does not relate to a maintenance report feedback for a public flat house in Singapore. The post contains a reference to a Pokémon character and a location, but it does not mention any issues or concerns related to a public flat house. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house in Singapore.