What was found
AT BLOCK IN JUMP SEATER OPENED R1 DOOR HANDLE FROM INSIDE WITH SLIDE ARMED. SLIDE DID NOT DEPLOY BUT REAR COVER RELEASE CABLE SNAPPED. R & R R1 ESCAPE SLIDE IAW AMM 25-61-21, DISARM PIN REMOVED. R & R R1 DOOR EMERGENCY OPERATION DAMPER IAW 25-10-14, DOOR WARNING SYS OPS CHECKED, OK. (NO COMPONENT FAILURE, PERSONNEL ERROR)