As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR WOULD NOT DISARM ON RAMP. AFTER EXTENSIVE OPERATION OF SLIDE LOCK MECHANISM MAINT WAS ABLE TO DISARM SLIDE AND OPEN DOOR. EXTENSIVE DEBRIS HAD ACCUMULATED IN MECHANISM KEEPING IT FROM FULL TRAVEL. CLEANED AND LUBED MECHANISM. SLIDE ARMING/DISARMING SYS, OPS NORMAL IAW AMM 25-61-20-06-09. ACFT OK FOR CONTINUED SERVICE.