What was found
SEAT TRACK BETWEEN FRAME 47 AND 53.2 AT -Y450 IS CORRODED AT LOCATIONS: FR47+2, FR48, FR48+9, FR49+8, FR51, FR52+8", FR53.1. CORROSION REMOVED FROM SEAT TRACK IAW SRM 51-74-00, REV 100 PARA 6.A THRU 6.B (3). UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS IAW SRM 51-74-00 PARA 6.B (6) REV 100 DUE TO INACCESSIBILITY. DAMAGE REASSESSED IAW SRM 51-74-00 PARA 6.B (7) FOUND TO BE OUT OF LIMITS IAW SRM 53-31-15 REV 100. CONFIRMED AS LEVEL 2 CORROSION. SEAT TRACK REPLACED IAW SRM 51-72-11 PARA 2.A (4) AND DWG F53334771 ISSUE D REV 100.00. INSPECTION OF REPLACED COMPONENT INSTALLATION CARRIED OUT. TASK COMPLETED.