What was found
RIGHT WING L/E SPAR UPPER FLANGE HAS BARE METAL WITH POSSIBLE CORROSION FROM STA YW 42 TO 155. REMOVED CORROSION ON SPAR UPPER FLANGE IAW SRM 51-21-00-00-02, REV 12. VERIFIED AFFECTED AREA TO BE CRACK FREE REF NDTM PART 1 TASK 51-00-06-910-801, REV 9. MECHANICALLY MEASURED MIN REMAINING THICKNESS .193". REMAINING MAT THICKNESS IS WITHIN LIMITS IAW RD8/4-57-2111, ISSUE 1, DATED 6MAY2013. REMOVED ANCHOR NUTS AS REQUIRED IAW RD8/4-57-2111, ISSUE 1. ROTARY FLAP PEENED TO INTENSITY 8A 100 PERCENT COVERAGE IAW RD8/4-57-2111, ISSUE 1. ALODINED AND PRIMED IAW RD8/4-57-2111 ISSUE 1. INSTALLED NEW ANCHOR NUTS AS REQUIRED IAW RD8/4-57-2111 ISS 1. APPLIED TEFLON TAPE IAW RD8/4-57-2111 ISSUE 1. COMPLIED WITH TC RD8/4-57-2111, WO 143293.