What was found
ORD - FLT 4354 - ON DESCENT INTO ORD, THE LEFT MAIN LANDING GEAR DOOR CAME OPEN IN FLIGHT. EMERGENCY EQUIPENT WAS DISPATCHED FOR LANDING HOWEVER, AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. INSPECTION REVEALED MLG SUPPORT ROD FAILED, ALLOWING DOOR TO OPEN. A NEW DOOR ASSEMBLY AND ROD WAS INSTALLED AND SEVERAL RETRACTION CHECKS WERE PERFORMED SATISFACTORILY. AIRCRAFT WAS RETURNED TO SERVICE. THE REMOVED PARTS HAVE BEEN FORWARDED TO SIMMONS ENGINEERING DEPT FOR EVALUATION. (M)