What was found
FLAP TRACK NR 4 FORWARD END CLEVIS INBOARD LUG SURFACE FOUND CORROSION INDICATION ON INBOARD LUG INBOARD SURFACE. THE REPAIR WAS PERFORMED PER BOEING MESSAGE NUMBER TEC-SOF-11-0092 AND SB 747-57-2307 REVISION 2. THE DEVIATION WAS APPROVED UNDER ODA-300064-NM FAA FORM 8100-9 DATED NOVEMBER 10, 2011 AS AN ALTERNATE METHOD OF COMPLIANCE (AMOC) TO PARAGRAPH (I) OF AD 2003-14-15 AND FOUND TO MEET THE TYPE CERTIFICATE BASIS OF THIS COMPONENT. THE INSPECTION REQUIREMENT IN ACCORDANCE WITH SB747-57-2323 REVISION 0 IS REQUIRED. DETAILS OF THE REPAIR ARE RECORDED IN TAECO EN EA-57-0634.