As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AILERON OTBD SHACKLE BOLT WAS FOUND LOOSE AFTER REPORTS OF SLIGHT VIBRATION IN FLIGHT FROM THE FLIGHT CREW. AILERON WAS R & R AT AN OUTSIDE VENDOR DURING 2014 HEAVY CHECK. SECURED & RE-TORQUED SHACKLE BOLT NUT IAW AMM JIC 20-21-12. NO FURTHER DEFECTS FOUND.