As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION L4 PASSENGER DOOR FAILED PNEUMATIC TEST. RIGGED AIR RESERVOIR AIR RELEASE CABLE PER DC10 AMM 52-12-00 PAGE 534. ADJUSTED L4 DOOR EMERGENCY BACKLOCK PER DC10 AMM 52-12-00 PAGE 530A. PERFORMED PNEUMATIC TEST OF THE L4 DOOR PER DC10 AMM 52-10-01. REF SAA NRC 78379990001.