As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE LEFT OMEGA BEAM HAS SIDE CORROSION FRETTING AND CORROSION AROUND THE NUTPLATE BETWEEN FRAMES 19-24. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED LEFT OMEGA BEAM IAW SRM 53-21-10. THE AIRCRAFT WAS RETURNED TO SERVICE.