What was found
LYCOMING SB 518C APPLIES, NUT LOOSE ON END OF VERNATHERM. PROBABLY DUE TO VIBRATION. REPLACED DEFECTIVE PART WITH A NEW PART NOT CALLED OUT IN THE SERVICE BULLETIN.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LYCOMING SB 518C APPLIES, NUT LOOSE ON END OF VERNATHERM. PROBABLY DUE TO VIBRATION. REPLACED DEFECTIVE PART WITH A NEW PART NOT CALLED OUT IN THE SERVICE BULLETIN.