As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
Y953 SEAT TRACK CORRODED AT FRAME 72 BLENDED OUT CORROSION IAW SRM 51-74-10. CHECKED LIMITS L=2.00 W=.500 D=.081" FOUND OUT OF LIMITS IAW SRM 53-10-16 FIG 102. REMOVED SEAT TRACK FROM FRAME 69 - 71.9 IAW SRM 51-40-21. FABRICATED NEW SEAT TRACK MATERIAL USED A53274005, BATCH 2764239 IAW DWG A53278433. INSTALLED NEW SEAT TRACK IAW DWG A53278433 CLASS A MAJOR REPAIR.