As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R3 DOOR WILL NOT DISARM. FOUND PROXIMITY SENSOR COVER DETACHED FROM WALL WHICH PREVENTED DOOR FROM DISARMING. RE-ATTACH PROXIMITY SENSOR COVER OF SERVICE R3 DOOR IAW AMM 52-11. OPERATED DOOR AND ARMING SYSTEM AND WORKED GOOD. (8561506)