As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENTRANCE STAIR HAND RAIL: HAND RAIL HAS COME APART AT TOP OF THE STAIR. LEFT HAND SIDE ENTERING AIRCRAFT. THERE IS A SCREW MISSING EXTRACTED BROKEN SCREW FROM CABIN DOOR HANDLE EXTENSION. INSTALLED SCREW AS REQUIRED. P/N: MS24693-C23. OPS CHECKED GOOD. REF GL6000 SMM 52-12-52