What was found
YYC - LEFTHAND WING, LEFTHAND FUEL PANEL 523AT, PANEL REBATE WS 157.825 TO WS 190.00, FRETTING CORROSION ON TOP OF REBATE AROUND PANEL ANCHOR NUT ATTACH HOLES. REPAIRED IAW Q00 SRM 57-10-30-320-002, 51-21-10-380-001, 51-25-40-370-001, RD 8/4-57-424, ISSUE 1 AND HORIZON AIR EA 6-57-298.