What was found
EXITING SEAT TRACK AT STA 1540-1640 HAS A 1.0 INCH CRACK AT STA 1640 ON INB OF SEAT TRACK AND CROWN AT RBL 45. REMOVED SEAT TRACK STA 1540-1640 BL 45, FABRICATED NEW SEAT TRACK FROM BAC 1520- 792 BATCH NR 00015411987, LOCATED AND DRILLED HOLES, TREATED, PRIMED AND INSTALLED NEW SEAT TRACK STA 1540-1640, RBL 45 IAW SRM 51-10-02, THIS IS A MAJOR REPAIR NO FOLOW-UP INSP REQUIRED.