What was found
PASSENGER CABIN; STA 559+10 TO 578+12; LBL 45; TOP AND INSIDE SEAT TRACK CROWN HAS CORROSION / REMOVED CORROSION @ STA 569-580 LBL 45 VERIFIED W/ 10X MAG NO DAMAGE NOTED MAX ALLOWED CROWN .020 LOSS .011 CHANNE .040 LOSS .078 AT 580+12 CHANNEL MAX IS .040 LOSS .006 CROWN MAX IS .020 LOSS .011 FOUND TO BE IN LIMITS IAW SRM 53-00-52-1A-1 OUT OF LIMITS @ STA 569-580 MATERIAL VERIFICATION IS PN BAC1520-2779 7178-T6 IAW SRM 53-00-52-2R-3 REPAIR 3 FABRICATED AND INSTALLED NEW SEAT TRACK REPAIR IAW SRM 53-00-52-2R-3 REPAIR 3 FIG 202