As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R2 DOOR ARMING LEVER STUCK IN UP POSITION. DOES NOT INDICATE PROPERLY, STUCK BETWEEN ARM AND DISARM IN INDICATOR WINDOW. MAINTENANCE APPLIED HEAT TO DOOR AND ARMING LEVER FREED. ARMING LEVER CHECKED SERVICEABLE IAW EMB 170 MM 52-42-00.