I'm at Jewel @ChangiAirport in Singapore https://t.co/SSa6FBsvKP
East Region
[{'url': 'https://t.co/SSa6FBsvKP', 'expanded_url': 'https://www.swarmapp.com/c/f881qi6QjPs', 'display_url': 'swarmapp.com/c/f881qi6QjPs', 'indices': [41, 64]}]
CHANGI AIRPORT
["i'm", 'jewel', '@changiairport', 'singapore', 'https://t.co/ssa6fbsvkp']
[]
jewel @changiairport
jewel singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback to public flat house in Singapore. The term "jewel singapore" is likely a reference to Jewel Changi Airport, a popular shopping and dining complex in Singapore.