What was found
SEAT TRACK AT Y-450 FR53.9 CORRODED. CORROSION AT SEAT TRACK AT Y-450, FR53.9 REMOVED IAW SRM 51-74-00. FR 53.9 MATERIAL REMOVED: 0.042", L=2", W=0.5". ORIGINAL THK: 0.120" FOUND EXCEED LIMITS IAW SRM 53-31-15 (FIG 101). SEAT TRACK R & R IAW SRM 51-42-11. COMPLETED AND INSPECTED.