I'm at Concourse D in Singapore https://t.co/fV2mcrGTdr
<a href="https://www.swarmapp.com" rel="nofollow">Foursquare Swarm</a>
East Region
[{'url': 'https://t.co/fV2mcrGTdr', 'expanded_url': 'https://www.swarmapp.com/c/kiGUuWjbUQ2', 'display_url': 'swarmapp.com/c/kiGUuWjbUQ2', 'indices': [32, 55]}]
CHANGI AIRPORT
["i'm", 'concourse', 'singapore', 'https://t.co/fv2mcrgtdr']
[]
concourse
concourse singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

It seems that the tweet does not relate to a maintenance report feedback to public flat house in Singapore. The term "concourse singapore" does not suggest any specific context or issue related to public housing or maintenance report feedback.