As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR SLIDE WILL NOT ARM. T/S GIRT BAR HAD BECOME DETACHED FROM DOOR. SECURED GIRT BAR TO DOOR LOWER FRAME IAW AMM 25-66-10-2, AND CYCLED DOOR SEVERAL TIMES AND GIRT BAR SLIDES INTO PROXIMITY SWITCH FLOOR FITTINGS WITH NO ISSUES WHEN ARMING. OKAY TO CONT.