What was found
AT GATE ARRIVAL, 1R DOOR SHOWED ARMED IN COCKPIT. FLIGHT ATTENDANT CONFIRMED DISARMED, AFTER MORE THAN 1 MIN, FINALLY SHOWED DISARMED. LUBRICATED & CLEANED ARMING MECHANISM, OPERATED DOOR ARMING HANDLE SEVERAL TIMES, INDICATION NORMAL AT THIS TIME IAW AMM 52-11-00-210-001-A.