As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK AT AERO CORP, LT INBD SEAT TRACK LUGS AT STATIONS 480-520, AND STATIONS 540-597 ARE BROKEN OFF. FABRICATED SEAT TRACKS FROM BAC 1500-841 44.50 INCHES AND BAC 1520 792 77.5 INCHES BY 3.5 INCHES IAW B 737 SRM 53-10-5, FIG 1. INSTALLED IAW B 737 SRM 51-30-2. (X)