What was found
CORROSION ON SEAT TRACK X=22 Y=200 TO Y= 210 (ON SEAT TRACK LOWER FLANGES). ORIGINAL THICKNESS BOTTOM IS 0.100 IN AND MINIMUM REMAINING THICKNESS IS 0.030 IN THEREFORE AREA IS OUT OF LIMITS PER B717 SRM 53-20-52-1A PROCEDURE 1 PAR 4 FIG 101. AND DC-MD/BOEING NDT SPM PAR 4, 04-00-06 PAR 4 FIG 9. SUMMARY OF NRC 00677: SECTION SEAT TRACK X=22 Y=200 TO Y=238 WAS REPLACED DUE CORROSION LEVEL 2 PER B717-200 SRM 53-20-52-2R PROC 5, REPAIR 5 FIG 201; 51-41-01-0G, AND 51-41-05-0G. (LP #0964136)