As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION BOTTOM OF #4 SEAT TRACK; STA.475-487. / REMOVED AND REPLACED #4 SEAT TRACK FROM STA 370-480 IAW SRM 51-40-02. STA 480-487 ON #4 SEAT TRACK WILL BE COVERED ON REMOVAL AND REPLACEMENT OF TRACK SECTION STA 480-520 REF NRC G776199