What was found
REAPEAT WRITE UP ON MAIN ENTRY DOOR. AFTER CLOSING DOOR AND PULLING THE T-HANDLE TO STOW EXTERIOR HANDLE, THE T-HANDLE IN THE STEPS WILL NOT STOW. IT FEELS AS IF ITS SPRING LOADED TO THE EXTENDED POSITION. WHEN YOU OPEN THE DOOR, YOU HEAR A MOMENTARY EUSH OF AIR AS IF CABIN IS DEPRESSURIZING. THE CABIN RATE DISPLAY INICATES -500FPM MOMENTARILY WHEN DOOR IS CLOSED. VERIFIED PASSENGER DOOR NOT CLOSING PROPERLY. PERFORMED INSPECTION AND RIGGING OF MAIN DOOR IAW CHALLENGER 650 AMM 52-11-00. (RII) REPLACED PASSENGER DOOR SUPPORT ROD IAW CHALLENGER 650 AMM 52-11-25 (RII)