An American Eagle Email sent 3/21/07...

21MAR07/1007
ALL PILOTS
RE: ENHANCED SECURITY PROCEDURES / NEW SECURITY DIRECTIVE
DUE TO NEW SECURITY DIRECTIVE REGULATIONS EFFECTIVE
IMMEDIATELY, ALL EMPLOYEES AND CREWMEMBERS TRAVELING AS
PASSENGERS MUST ACCESS THE STERILE AREA THROUGH THE
TSA CHECKPOINT AND UNDERGO SCREENING.
TSA WILL ALSO CONDUCT SCREENING AT THE BOARDING GATE
OF INDIVIDUALS, INCLUDING REVENUE AND NON-REVENUE
PASSENGERS AND CREWMEMBERS, PRIOR TO PASSENGER BOARDING.
FOR CREWMEMBERS: IF YOU HAVE COMPLETED YOUR SEQUENCE AS
A WORKING CREWMEMBER AND ARE COMMUTING HOME, TRAVELING
ON PERSONAL TRAVEL AT THE COMPLETION OF YOUR TRIP, YOU ARE
NOW REQUIRED TO EXIT THE SECURED SIDE OF THE OPERATION
AND RE-ENTER THROUGH A TSA SECURITY CHECKPOINT.

So even if you started your day by going through the checkpoint,which you almost always do, to go home you have to leave the sterile area, and get re-screened.

And if you don't I guess you're violating the SD.