What was found
SEAT TRACK BETWEEN FRAME 53.2 AND 54 AT -Y1959 IS CORRODED AT LOCATIONS: FR53.3, FR53.5+9" AND FR53.9+12". CORROSION REMOVED BY GRINDING AS PER SRM 51-74-00 REV 98.01. DAMAGE DIMENSIONS: FR53.3 SUPERIOR REWORK L: 2" W: 1" D: 0.040", FR53.5(+9") INNER VERTICAL L: 0.5" W: 0.2" D: 0.009", FR53.9(+12") INNER VERTICAL L: 1" W: 0.2" D: 0.020". DEPTH GAUGE USED P/N: 2417 S/N: IRFE5005A9EQ. DAMAGE ASSESSED AS OUTSIDE OF SRM 53-31-15 REV 98.01 LIMITS. RII CARRIED OUT AS PER GMM VOL1 CHAP 5 - CONSIDERED LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. SEAT TRACK REPLACED AS PER SRM 51-72-11 REV 98.01 AND DWG F53326941 ISSUE A. JOB COMPLETE.