Just posted a photo @ HANS IM GLÜCK German Burgergrill - Singapore https://t.co/tsXFpUgGCP
Central Region
[{'url': 'https://t.co/tsXFpUgGCP', 'expanded_url': 'https://www.instagram.com/p/CKbewMcnwd9/?igshid=1cx01fa4shggy', 'display_url': 'instagram.com/p/CKbewMcnwd9/…', 'indices': [67, 90]}]
MARITIME SQUARE
just posted photo hans german
posted photo hans gl ck german burgergrill singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This post does not relate to a maintenance report feedback for a public flat house."},
    ]

It seems that the post you provided does not contain any information related to a maintenance report feedback for a public flat house. The post is about a restaurant named German Burger Grill in Singapore, and it appears to be a review or promotion of the restaurant. Therefore, the answer is "False" for the question "Does the post relate to a maintenance report feedback to public flat house?"