What was found
F/A REPORTED, R2 DOOR LATCH EXTERIOR SOFT LATCH. DOOR REMAINED ARMED. OCCURRED IN FLIGHT. ON INSP, FOUND DOOR HANDLE MECHANISM LOOSE. REMOVED R2 DOOR SLIDE IAW AMM 25-66-01. SECURED R2 DOOR HANDLE MECHANISM IAW AMM 52-41. VERIFIED DOOR SLIDE SAFETY PIN REMOVED AND STOWED IN POUCH. INSTALLED R2 DOOR SLIDE IAW AMM 25-66-01. ALL RII COMPLIED WITH IAW AMM 25-66-01. RII PERFORMED CABIN LEAK TEST IAW AMM 05-51. OPS CHKD OK. OK FOR SVC. C/W MSI PREVENTION PROGRAM STEP 5. (9479820) AIRCRAFT WAS GROUNDED