What was found
THE #4 SEAT TRACK LOWER SURFACE HAS AREA OF CORROSION FROM STATION 727F TO 867.<[01] REMOVED DAMAGE PER SRM 51-10-02. FOUND TO OUT OF LIMITS PER SRM 53-00-52-1A-1. REMOVED 0.060 MATERIAL AT STA 847 RBL 45.5;[02] VERIFIED OUT OF LIMITS;[03] REMOVED # 4 SEAT TRACK FOR STA 727B TO 887 PER SRM 51-40-02.;[04] FINISHED DRILLING UP NEW SEAT TRACK IAW. SRM. 51-40-02.;[05] VERIFIED WORK ACCOMPLISHED IN C/A #4. OK TO INSTALL.;[06] REMOVED AND REPLACED PER SRM 51-40-02.;[07] C/W INSPECTION.