What was found
(CAN) RECENTLY REMOVED AS UNSCHEDULED, A FUEL SERVO FROM THE A/C ENGINE FUEL INJECTION SYSTEM, AS MIXTURE WOULD NOT CLOSE PROPERLY. TEAR DOWN INSPECTION: OVERHAULER INFORMED US HE HAD FOUND SMALL PARTICLES OF BLUE THIN PLASTIC-PAPER IN SCREEN AND UNDER MIXTURE INTERNALMACHANISM. IDENTIFIED TO OCTANE RATING DECAL OF PLACARDS, SOLD AT LARGE ON THE AVIATION MARKET. REFUELERS DRAG THE REFUELING NOZZLE OR/AND FUEL CAPS ON DECAL AND TEAR SMALL PIECES THAT GOES INTO THE TANKS; HENCE, INJECTOR PROBLEMS AND FUEL DRAIN COCKS PROBLEMS. REMOVED AND INSTALLED PROPER RECTANGULAR PLACARDS - ABOVE FUEL FILLERS. (X)