What was found
SEAT TRACK BETWEEN FRAME 26 AND 37.4 AT -Y450 IS CORRODED AT LOCATIONS: FR37.3,+0", FR31+17", FR31+0", FR30+0", FR29+9", FR29+6". CORROSION REMOVED IAW SRM 51-74-00 REV 98. DAMAGE DIMENSION FR 37.3, FR31+17'', FR31, FR30, FR29+9'' AND FR 29+6'' LOCATED ON SEAT TRACK INNER VERTICAL AREAS, UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS. CONFIRMED AS LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. SEAT TRACK REPLACED IAW SRM 51-72-11 REV 98 AND DWG F5327642420100.