As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R1 PAX SERVICE DOOR INDICATED OPEN DURING CRUISE, MESSAGE STAYED ON FOR ABOUT 15 MINUTES THEN DISAPPEARED. CAME BACK DURING DESCENT THEN WENT AWAY AGAIN. REMOVED SHIMS TO ACQUIRE CORRECT DISTANCE FOR SENSOR IAW AMM 52-74-20. OPS CHECK GOOD.