What was found
LEFT WING LEADING EDGE PANEL 521DB AFT SUPPORT HAS EVIDENCE OF CORROSION OUTBOARD OF INBOARD #4 SLAT AUXILIARY TRACK AT WS 279.<[01] UPDATED MEASUREMENT TABLE;[02] COMPLETED MEASUREMENT TABLE;[03] PARTIAL UPDATE FOR STEP 4;[04] COMPLETED STEP 3 PERFORMED WING ANTI-ICE LEAK CHECK. NO LEAKS NOTED IAW AMM 30-11-31-400-802 STEP 5.J;[05] VERIFIED ITEM 4.;[06] CLOSED PANEL 521EB IWA AMM 20-50-11-910-801<BR>USING CALIBRATION TOOL ATS2248 DUE DATE 11/2024;[07] VERIFIED COMPLETE STEP 1; MEASUREMENTS TABLE OK; CARD COMPLETE.