As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: 2R DOOR INDICATES DISARMED IN FLIGHT WITH ARMING LEVER IN THE ARMED POSITION. INDICATED ARMED ON THE GROUND AND IN CLIMB. MAINTENANCE FOUND THE R2 DOOR ARM HANDLE DETECTOR PROXIMITY SWITCH 7WN2 OUT OF RIG AND ADJUSTED IT PER AMM 52-71-00-820-002-A01. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.