What was found
NUMBER 3 LT DUMMY SEAT TRACK INSPECTION OF GAP VALUE REQUIRES INSERT REPLACEMENT. REMOVED NR 3 LT DUMMY SEAT TRACK, FROM FRAME 54 - 54.2 IAW SRM 51-40-21. R & R INSERT MADE ON T15 117575 & SRM 53-15-16. REINSTALLED DUMMY SEAT TRACK IAW SRM 51-40-21 & SRM 53-15-16, CAT A MAJOR REPAIR.