As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT 5810, L/P 4688732) 4L DOOR OPENED WHEN ENGAGED DID NOT BLOW SLIDE BUT NOW JAMMED. SAFETY PIN INSTALLED AT 4L SLIDE FOR MTC CHK. SECURED GIRT BAR AT 4L PER AMM 52-11-25. OPN NORMAL OK FOR SERVICE. VERIFIED SAFETY PIN REMOVED AND STOWED.