As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L1 CABIN DOOR SWITCHES ( INSIDE AND OUTSIDE) DONT WORK. THEY WORK WHEN WE ENTERED THE AIRCRAFT THEN STOPPED WORKING. DEFERRED PER MEL 52-10-3-1-2-1 PLACARD INST LOG UPDATEDPERFORMED INSP, CHECK & OPS CHECK OF L1 DOOR. OPS CHKS GOOD BOTH OUTSIDE AND INSIDE SWITCHES NUMEROUS TIMES IAW MD11 AMM 52-11-02. DMP REVERESED. M745301 CLOSED. PLACARD REMOVED.