As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN SEAT TRACK UPPER SURFACE IS CORRODED FROM APPROX STA 500C-500F, LBL 24(MARKED). TRANSCRIBED FROM HAEC O GSO NR 9288474. ZR-4 REPAIR 4. HAECO GSO MECH V899687 REMOVED CORROSION ON SEAT TRACK MAT LOST EXCEEDS MAT LIMITS ALLO WED IN AREA OF 20% AT FS500C+0 TO F500F+10 LBL 24 IAW B737-900ER SRM 53-00-52, FIG 103, REMOVED AND REPLACED SEAT TRACK FROM 500 C+10 TO F500+100 WOTJ 2A SPLICES IAW B737-900ER SRM 53-00-52