As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE ACCOMPLISHMENT OF AD2013-23-04 & SB 737-53-1296 NDT INSPECTION WAS FOUND THE THE BS 727B, RBL 24.75 SEAT TRACK OTBD & INBD HORIZONTAL FLANGES CRACKED. THE DAMAGED PART WAS REPAIRED IAW COO-AMX-14-0006-02B R1 & DOCUMENTED IN COOPESA EO COO-3-53-036-14. UNDER THE NON-ROUTINE ITEM A1C079-2-92.