#CNY2020 greetings from SBS Transit at NE4/DT19 Chinatown MRT Interchange station between the North-East (#NEL) and Downtown (#DTL1) Lines @ Chinatown MRT Station https://t.co/bIFOenKNLC
<a href="http://instagram.com" rel="nofollow">Instagram</a>
Central Region
[{'url': 'https://t.co/bIFOenKNLC', 'expanded_url': 'https://www.instagram.com/p/B65cMWEABtW/?igshid=frqa31fd38g1', 'display_url': 'instagram.com/p/B65cMWEABtW/…', 'indices': [163, 186]}]
CHINATOWN
['#cny2020', 'greeting', 'sb', 'transit', 'ne4', 'dt19', 'chinatown', 'mrt', 'interchange', 'station', 'north-east', '#nel', 'downtown', '#dtl1', 'line', 'chinatown', 'mrt', 'station', 'https://t.co/bifoenknlc']
['greeting', 'greeting']
#cny     from transit chinatown interchange station between #nel downtown #dtl  chinatown station
cny2020 greetings sbs transit ne4 dt19 chinatown mrt interchange station northeast nel downtown dtl1 lines chinatown mrt station
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

The provided Twitter post does not mention any specific issue or feedback related to a maintenance report for a public flat house. The post simply greets people and mentions various transportation stations in Singapore, including the Chinatown MRT interchange station. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.