As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONCE L1 DOOR WAS CLOSED, THE GIRT BAR DID NOT SHOW ARMED. SLIDE ARMED HANDLE WILL NOT GO BACK UP TO UNARM DOOR. INSPECTED AND FOUND EMERGENCY EVAC SLIDE GIRT BAR OUT OF PLACE. RE-INSTALLED AND OPS CHECK GOOD IAW EMB 175 MM 52-11-41-04.