Good to be back. 🇸🇬
#ChangiT4 #feelsgood https://t.co/VcUb9kS0TR
<a href="http://twitter.com/download/android" rel="nofollow">Twitter for Android</a>
Terminal 4
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CHANGI AIRPORT
['good', 'back', '🇸', '🇬', '#changit4', '#feelsgood', 'https://t.co/vcub9ks0tr']
['good', 'good', 'good', 'good', 'good']
good back #changit  #feelsgood
good back changit4 feelsgood
  [
    {"relatedness": False, "type": "none", "explanation": "The post does not relate to maintenance report feedback for public flat house."},
    ]

It seems that the post does not mention anything related to maintenance report feedback for public flat house. The term "back changit4" and "feelsgood" do not provide any context or clues that suggest otherwise. Therefore, the answer is that the post does not relate to maintenance report feedback for public flat house.