As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DOOR 4L SETS OFF EVAC ALARM WHEN DOOR IS ARMED. *S/D* THE CAUSE FOR THE EVAC ALARM SOUND WAS THAT WHEN THE DOOR WAS ARMED THE EVAC ALARM SWITCH WAS OUT OF ADJUSTMENT. REPLACED AND ADJUSTED EVAC ALARM SWITCH (P/N: BAN70241). EVAC ALARM WAS OP CHECKED AND FOUND TO OPERATE NORMALLY.