Under the wing of the RSAF A330MRTT https://t.co/40IQVBCyqF
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Changi Exhibition Centre
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CHANGI AIRPORT
['wing', 'rsaf', 'a330mrtt', 'https://t.co/40iqvbcyqf']
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under wing
wing rsaf a330mrtt
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance report feedback."},
    ]

The Twitter post "wing rsaf a330mrtt" does not seem to relate to a maintenance report feedback to public flat house. It appears to be an abbreviation or code used in a military context, and it does not contain any information related to public housing or maintenance reports. Therefore, the answer is "relatedness": False, "type": "none", and "explanation": "This is not related to public housing or maintenance report feedback."