As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDCC SEAT TRACK AT -Y1456 A BIT FWD OF FRAME 40 HAS CORROSION. REMOVED CORROSION & FOUND TO BE OUT OF LIMITS D=0.046" L=3" W=1.125". REMOVED SEAT TRACK IAW 51-40-21. LOCATED & DRILLED HOLES AT NEW SEAT TRACK IAW SRM 51-40-44. INSTALL NEW SEAT TRACK IAW SRM 51-40-21. TOP COAT IAW SRM 51-75-10. CLASSIFIED AS CAT A MAJOR REPAIR.