What was found
LEFT WING FRONT SPAR LOWER FLANGE HAS BARE METAL AND FRETTING CORROSION FROM STA YW42 TO YW 155. REMOVED CORROSION LT WING FRON SPAR LOWER FLANGE IAW SRM 51-21-00-00-02, REV 12 MIN THICKNESS NOTED .199" CONFIRMED AFFECTED AREA CRACK FREE REF NTM 51-00-04-910-801, PT 1 AND 51-00-06-910-801, PT 1, REV 8. REMAINING THICKNESS IS IN LIMITS IAW RD8/4-57-2064, ISSUE 1. ROTARY FLAP PEENED REWORKED AREA IAW RD8/4-57-2064, ISSUE 1. FLAP PEEN INTENSITY .008A FOR 100 MIN 0 SEC. APPLIED SURFACE PROTECTION IAW RD8/4-57-2064 ISSUE 1. REMOVED DAMAGE/OVERSIZED SIZING SLEEVES IAW SRM 57-10-05-02-02, REV 12. REPLACED SLEEVES AS REQUIRED IAW RD8/4-57-2064, ISSUE 1, DATED 13MAR2013. NUT PLATES WERE REMOVED FOR SLEEVE INSTALLAITON IAW SRM 51-42-05-02-01, REV 12. INSTALLED NEW NUT PLATES IAW SRM 51-42-05-02-01, REV 12. APPLIED TEFLON TAPE IAW RD8/4-57-2064, ISSUE 1. COMPLIED WITH TASK CARD RD8/4-57-2064, WO 143401.