I'm at Old Chang Kee in Singapore https://t.co/QhzcVo0VLH
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
Central Region
[{'url': 'https://t.co/QhzcVo0VLH', 'expanded_url': 'https://www.swarmapp.com/c/cDjeH64l11t', 'display_url': 'swarmapp.com/c/cDjeH64l11t', 'indices': [34, 57]}]
MARITIME SQUARE
["i'm", 'old', 'chang', 'kee', 'singapore', 'https://t.co/qhzcvo0vlh']
[]
chang
old chang kee singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "old chang kee singapore" does not relate to a maintenance report feedback to a public flat house. The term "old chang kee" is likely a reference to a popular Singaporean dish, and does not appear to be related to any maintenance issues or public housing.