What was found
MAIN CABIN, SEAT TRACK, STA 440-STA 660, LBL11 HAS SEVERAL AREAS OF CORROSION. REMOVED CORROSION .090" MATERIAL LOSS, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-52, FIG 101. REMOVED CORRODED SEAT TRACK, STA 440-660, LBL11 IAW SRM 51-40-02. FABRICATED SEAT TRACK IAW DWG 368-53-13-90908 AND REO-G20087, REV A. ALODINED AND PRIMED IAW SRM 51-20-01 AND 53-00-52. PAINTED SEAT TRACK IAW DWG 368-53-13-90908. INSTALLED SEAT TRACK IAW DWG 36-13-90899. FINAL REF REO-G20087, REV C AND REA B653-62028DE, REV IR. SEAT TRACK, PN 368-53-13-90901-101, STA 440-660, LBL11. ACFT WAS GROUNDED.