What was found
SEAT TRACK BETWEEN FRAME 53.2 AND 54 AT +Y450 IS CORRODED AT LOCATIONS: FR53.3+17". CORROSION REMOVED BY GRINDING AS PER SRM 51-74-00 REV 100. DAMAGE DIMENSIONS: FR53.3+17? CORROSION LOCATED ON TANG VERTICAL AREA, MAX DEPTH= 0.152? AND SPREAD TO INNER VERTICAL WALL AREA. UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS. ASSESSED AS OUTSIDE OF SRM 53-31-15 REV 100 LIMITS. RII CARRIED OUT AS PER HAL GMM VOL 1 CHAP 5, CONSIDERED LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. SEAT TRACK REPLACED AS PER SRM 51-72-11 REV 100 AND AIRBUS DWG F53326973 ISSUE A. JOB COMPLETE.