Brunch @ @hangar66cafe !!! @ Hangar66 Cafe https://t.co/TgErR9gffd
North-East Region
[{'url': 'https://t.co/TgErR9gffd', 'expanded_url': 'https://www.instagram.com/p/CNJsjqjnfLW/?igshid=z30k2f9ex4qq', 'display_url': 'instagram.com/p/CNJsjqjnfLW/…', 'indices': [43, 66]}]
SELETAR AEROSPACE PARK
brunch @hangar  cafe hangar
brunch hangar66 cafe
  [
    {"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. The term "hangar66" is likely a reference to a specific cafe or restaurant, and does not mention any issues related to public housing or maintenance. Therefore, the answer is that the post does not relate to a maintenance report feedback to public flat house.