As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REAR SIDE TRACK MOUNTING BASE ASSEMBLY ON SEAT 5AB HAS A HELICOIL INSTALLED THAT HAS MIGRATED OUT OF THE BASE. UNABLE TO TIGHTEN DOWN ANTI-RATTLE SHEAR DEVICE. (FILED CLOSED) REMOVED AND REPLACED SEAT 5AB AFT SIDEWALL MOUNTING BASE ASSEMBLY IN REFERENCE TO CMM 25-26-15