What was found
LGW - FLT 189 - EN ROUTE CDG-CLT, CREW NOTED LEFT ENGINE LOW TURBINE VIBRATION INDICATION IN THE 4.8-5.0 RANGE. FLIGHT DIVERTED TO LGW AND LANDED WITHOUT FURTHER PROBLEMS. MAINTENANCE REPLACED THE LEFT COMPRESSOR REAR FRAME VIBRATION TRANSDUCER. DUE TO PREVIOUS WRITE-UP, THIS SYSTEM WAS PLACED ON MEL FOR FURTHER TROUBLESHOOTING. S/D - UPON FURTHER INVESTIGATION, MAINTENANCE FOUND THE STARTER DUCT LINK ASSEMBLY ROD END WORN. THE VIBRATIONS FROM TEH LINK ASSEMBLY WERE BEING PICKED UP BY THE AVM. (M)