What was found
SEAT TRACK BETWEEN FRAME 40 AND 47 AT -Y1959 IS CORRODED AT LOCATIONS: FR43, FR44, FR46, FR47. CORROSION REMOVED FROM SEAT TRACK @ FR43, FR44, FR46, FR47 IAW SRM 51-74-00 REV 98.01. DAMAGE DIMENSION: AT FR43 CENTRAL RE-WORK L: 4.5" W: 0.75" D: 0.030", FR44 CENTRAL REWORK L: 2" W: 0.75" D: 0.020", FR46 L:6" W: 0.75". D: 0.020", FR47 L: 3.5" W: 0.75" D: 0.018". DEPTH GAUGE USED P/N: 2417 S/N: IRFE5005A9EQ. RII CARRIED OUT AS PER AS PER HAL GMM VOL1 CHAP 5 - CONFIRMED AS LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. SEAT TRACK REPLACED IAW SRM 51-72-11 REV 98.01 AND DWG F5711057120401.