Getting error message 8946 in SQL Server

When I run DBCC CHECKDB on one of my important database getting below error message:

Msg 8946, Level 16, State 12, Line 3 Table error: Allocation page (3:140310) has invalid PFS_PAGE page header values.

I have checked with my system admin, they say there is no any problem with the disks. Has anyone come across this error message or have any idea how can I fix this issue?

Thanks in advance for help!​