What was found
SEAT TRACK BETWEEN FRAME 40 AND 47 AT -Y450 IS CORRODED AT LOCATIONS: FR40+2";FR40.3+1"FR45. CORROSION REMOVED AS PER SRM 51-74-00 REV 98.01. DAMAGE DIMENSIONS: FR40+2" INNER VERTICAL: D-0.080" X L-0.400" W-0.120", FR40.3 + 1" O/B LATERAL: D-0.090 X L-1.400: X W-0.400", FR45 INNER VERTICAL: D-0.070" X L-1.520" X W-0.400". DEPTH GAUGE P/N USED: 2417 S/N: IRFE5005A9EQ. ASSESSED AS OUTSIDE OF SRM 53-31-15 REV 98.01 LIMITS. RII CARRIED OUT AS PER GMM VOL CHAP 5. CONFIRMED AS LEVEL 2 CORROSION ? PART REPLACEMENT REQUIRED. SEAT TRACK ASSEMBLY REPLACED AS PER SRM 51-72-11 REV 98.01 AND DRAWING F57112821 ISSUE E JOB COMPLETE.