What was found
(CAN) PILOT WAS IN CRUISE, HE STARTED TO LEAN THE ENGINEWENT PAST LEAN OF PEAK SO HE PUSHED THE MITURE BACK IN BUT THE ENGINE WAS STILL LOSING POWER. HE LANDED IN A FIELD WITHOUT ANY DAMAGE.ENGINEER WENT OUT AND REMOVED THE COWLING AND DISCOVERED THAT THE CLAMP THAT HOLDS THE MIXTURE CABLE TO THE MIXTURE SUPPORT ASSEMBLY WAS LOOSE. CLAMP WAS REPLACED. MIXTURE WAS MOVED WORKS CORRECTLY. AIRCRAFT WAS FLOWN BACK TO BASE WITHOUT INCIDENT.