What was found
DOOR 1R EMER ESCAPE SLIDE ARMING MECHANISM IS NOT ARMING PROPERLY. HAD TO CYCLE DOOR FOLLOWED BY 4 ATTEMPTS POSITIONING THE ARMING HANDLE TO ARM BEFORE A SUCCESSFUL ARMING WAS ACHIEVED, REPEAT. PERFORMED R1 DOOR GIRT BAR MECHANISM ADJUSTMENT & TEST IAW AMM 52-11-25-5. UNDER INSPECTION FOUND DEBRIS IN GIRT BAR MECHANISM. CLEANED & GREASED GIRT BAR MECHANISM IAW AMM 12-21-18-3. PERFORMED SYS TEST OF GIRT BAR MECHANISM IAW AM 52-11-25-5, CHECKED GOOD.