Where can I find the meaning of the possible status codes that can be returned in the FILE-STATUS field for a VSAM file ?
They are not documented in the CA Easytrieve Language Reference Guide or Messages and Codes.
Release: EDBMSU00200-6.4-Easytrieve-Report Generator-Option for DB2-MSU
The status codes CA Easytrieve show are passed back from IDCAMS, so you can find the possible values and meanings in the section VSAM Macro Return and Reason Codes in the IBM manual z/OS DFSMS Macro Instructions for Data Sets.
Here is a link to it in the IBM Knowledge Center: