What was found
SEAT TRACK BETWEEN FRAME 25 AND 37.4 AT -Y450 IS CORRODED AT LOCATIONS: 31+19, 31+11, 32+14, 34+1, 37.3+13. // CORROSION REMOVED FROM SEAT TRACK BY GRINDING AT LOCATION ?Y450 FR31+19?, FR 31+11?, FR 32+14?, FR 34+1?,FR 37.3+13? IAW A330 SRM 51-74-00 PARA 6.A THRU 6.B (3) REV 98.01.DAMAGE DIMENSION: 1. FR 31+ 19" IVA L= 1.50" CORROSION ALSO SPREAD TO INNER VERTICAL WALL AREA. UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS, 2. FR 31 +2" CENTRAL L=1.0" W=0.90" DEPTH=0.020", 3.FR 31= +5" SUPERIOR L=0.30" W=0.20" DEPTH=0.011", 3. FR 32+14" IVA L=1.5" BOTH SIDE, CORROSION ALSO SPREAD TO INNER VERTICAL WALL AREA. UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS 4. FR 34+1" SUPERIOR L=0.30" W=0.20" DEPTH = 0.020" 5. FR 37.3 +13" L=1.0" W=0.30" DEPTH =0.011" GAUGE PN: 07852307, SN: TCN51487 AND PN: 2417, SN: IRFE5005A933) REASSESSED DAMAGE AT 31+19, 31+11, 32+14, 34+1, 37.3+13 IAW A330 SRM 51-74-00 PARA 6.B (7) REV 98.01 BLENDED AREA FOUND OUT OF LIMITS DUE TO CORROSION ON INNER VERTICAL WALL AREA IAW SRM 53-00-15 REV 98.01 RII INSPECTION C/O CONFIRMED LEVEL 2 CORROSION PART REPLACEMENT/REPAIR REQUIRED.