As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN DOING A REPETITIVE CHECK FOR THE L-4 DOOR. THE GIRT BAR WOULD NOT ENGAGE OR MOVE AT ALL. PINNED L4 SLIDE. R & R L-4 SLIDE GIRT BAR BELL CRANK ASSY. PERFORMED GIRT BAR MECHANISM SYS TEST IAW AMM 52-11, CHECKS OK. REMOVED SLIDE PIN AND INSTALLED BUSTLE. ALL RII COMPLIED WITH.