As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 177 DOOR L1 WONT ARM, CORRECTIVE ACTION: PERFORMED OPS CHECK OF L1 DOOR SLIDE ARMING SYSTEM/OPS CHECK OF DOOR. COULD NOT DUPLICATE FAULT. PERFORMED OPS CHECKS PER B767 AMM 52-73 AND 52-11. OPS NORMAL. NO 90 DAY HISTORY. OK FOR SERVICE. (4684248)