It may be a standardized file name for a long-form video evidence submission in a civil service appeal.
This appears to be a reference to a specific document or file within the (MCSR), likely found in a legal database or public records archive. MCSR-502.mp4
If you can provide more context, I can help narrow this down: Do you have a or a year ? It may be a standardized file name for
"MCSR" typically refers to the volume and page number of a case (e.g., 36 MCSR 1 refers to Volume 36, Page 1). "502" may refer to Page 502 of a specific volume. "MCSR" typically refers to the volume and page
Where did you see this (e.g., a specific website or a legal document)? Keady, Michael v. Boston Fire Department 4/16/26 - Mass.gov
⭐ You can search for specific decisions by name or keyword using the Massachusetts Civil Service Commission Decision Search or via Landlaw Legal Publishers, which hosts the official MCSR index.
MCSR is a specialized publication that reports on decisions from the Massachusetts Civil Service Commission . Possible Interpretations