I'm at Charles &amp; Keith in Changi, Singapore https://t.co/qdaFz2QWzn
East Region
[{'url': 'https://t.co/qdaFz2QWzn', 'expanded_url': 'https://www.swarmapp.com/c/a7GVxtyNro7', 'display_url': 'swarmapp.com/c/a7GVxtyNro7', 'indices': [48, 71]}]
CHANGI AIRPORT
charles keith
charles amp keith changi singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback for a public flat house in Singapore. The post simply mentions the name of a person, Charles, and the location, Singapore, without any context or details that suggest otherwise. Therefore, the answer is that the post does not relate to a maintenance report feedback for a public flat house in Singapore.