As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R2 DOOR WOULD NOT ARM. REMOVED FROM SERVICE. PERFORMED GVI OF R2 DOOR. FOUND FOD (MAGNET) BLOCKING DOOR OPERATION. REMOVED FOD AND PERFORMED GVI OF AFFECTED AREA NO DAMAGE NOTED. FOD APPEARS NOT TO BE AIRCRAFT RELATED. CYCLED DOOR, ARMING, AND VENT LEVERS SEVERAL TIMES. NO DEFECTS NOTED DOOR, ARMING AND VENT LEVERS CYCLE NORMALLY. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.