A FLT ATTENDANT RECENTLY RECALLED FROM FURLOUGH WITH LITTLE B767 EXPERIENCE DEPLOYED AN EMER EXIT SLIDE DURING AN INATTENTIVE POSTFLT MOMENT.

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I WAS OFF FLYING FOR 4 YRS AND HAVE BEEN RECALLED BACK FROM VOLUNTARY FURLOUGH AND RETURNED TO THE LONDON BASE RECENTLY. DEPARTING LONDON ON NOV/XA/06 WAS MY FIRST FLT ON B767 SINCE I AM BACK TO LONDON 2 WKS AGO. I HAVE A LOT OF FLYING EXPERIENCE ON B747 AND B777 BUT MY FLYING EXPERIENCE ON B767 IS LIMITED. MY PREVIOUS FLT ON B767 IS ABOUT 4 YRS AGO. OTHER THAN TODAY'S FLT; MY OTHER PHYSICAL CONTACT AND EXPERIENCE WITH B767 WAS AT MY RETRAINING WHERE THE EMPHASIS WAS ON REPEATED EMER MODE OP AT THE DOORS OF B767. I HAVE BEEN ASSIGNED TO SIT AT DOOR 1R AND WORK IN BUSINESS CLASS. DURING BOARDING; I WAS BUSY CARRYING OUT DUTIES IN MY ASSIGNED CABIN UNTIL I HEARD THE ANNOUNCEMENT OF PREPARING DOORS FOR DEP OVER THE PA. I WAS IN THE AISLE AT ROW 9AB. ONCE I HEARD THE PA ANNOUNCEMENT; I IMMEDIATELY WENT TO DOOR 1R. THE DOOR WAS ALREADY ARMED WHEN I GOT THERE. I VERIFIED IT BEING ARMED BY CHKING THE VIEW PORTS AND THE YELLOW FLAG WAS EXTENDED. THOUGH I VERIFIED; I HAD NO PHYSICAL CONTACT TO THE DOOR AND THE ARMING LEVER. I WAS DISTR BY SOME PERSONAL ISSUES THAT I DIDN'T REST WELL DURING THE CREW REST BREAK. WE WERE ALL TIRED AT THE END OF THE FLT. I WENT BACK TO MY JUMPSEAT AT 1R WHEN THE 'DISARM DOOR FOR ARR' ANNOUNCEMENT WAS MADE. HOWEVER; WHEN I GOT TO THE DOOR; I DIDN'T STOP AND CONCENTRATE ON DISARMING THE DOOR. I GRAB THE DISTINCTIVE BUT WRONG HANDLE; WHICH IS FOUND JUST NEXT TO THE ARMING LEVER AND INSTINCTIVELY; AT THAT MOMENT; PULLED THE SILVER HANDLE; THE SAME MOTION I WOULD HAVE DONE FOR DISARMING THEE DOOR. 1/2 WAY IN PULLING THE LEVER; I REALIZED SOMETHING WAS WRONG AND HEARD THE LOUD NOISE OF THE SLIDE. I TRIED TO STOP IT; BUT IT WAS TOO LATE. THE DOORS OPENED AND THE SLIDE HAD DEPLOYED. WITH THIS EXPERIENCE; I LEARN AND REALIZE THE IMPORTANCE OF GOOD THINKING BEFORE TOUCHING THE DOOR. IT'S IMPORTANT THAT I STOP; LOOK AND THINK OF THE CONSEQUENCES BEFORE TAKING ACTION OR TOUCHING ANYTHING ON THE DOOR; ESPECIALLY AN ACFT I DON'T FLY OFTEN. PHYSICAL CONTACT TO THE DOOR IS NOT THE SAME AS VISUAL CHKING. IT IS IMPORTANT AND NECESSARY FOR ME TO DO THE ARMING/DISARMING BY MYSELF. HAD I ARMED THE DOOR; I AM SURE I WOULD HAVE ALSO IN REVERSE; DISARMED THE CORRECT LEVER.