As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER DOG BONE REMOVAL ON TASK CARD T3F18E009MXK9 WERE FOUND SEVERAL SPOTS WITH CORROSION AT SEAT TRACK Y2462 (UNDER CHANNEL DRAIN) BETWEEN FR38 & FR38.2 REPAIR IAW: SRM REV 43 CHAPTER 53-10-16-201 PARAGRAPH 4 FIGURE 201. THIS IS A CATEGORY A REPAIR AND NO FURTHER ACTION IS REQUIRED.