Postcard from #penang 📸 https://t.co/KKGBVuwcd0
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RCI Quantum of the Seas
[]
['postcard', '#penang', '📸', 'https://t.co/kkgbvuwcd0']
[]
from #penang
postcard penang
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "postcard penang" does not relate to a maintenance report feedback to public flat house. It is likely a reference to a postcard sent to Penang, a state in Malaysia.