As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 DOOR WILL NOT ARM. UPON INSPECTION, FOUND L1 DOOR AFT LOWER TORQUE TUBE SUPPORT PLATE LOOSE AND OUT OF ADJUSTMENT. ADJUSTED SERRATED PLATE AND ALL 16 STOP SCREWS FOR PROPER UNDERFAIR MEASUREMENT OF DOOR PER MD11 AMM 52-11-02-5 DOOR FUNCTION AND ARMING HANDLE OPS CHECK GOOD.