What was found
C2 CHECK - LT WING FUEL PANEL AND CUTOUT 524AT HAVE MINOR FRETTING. REMOVED DAMAGE FROM WING MATING SURFACE IAW RD 8/4-57-445. MINIMUM REMAINING THICKNESS .078" REF NTM 51-00-02-250-801. CONFIRMED AFFECTED AREA IS CRACK FREE REF NTM 51-00-01-250-801. MATERIAL LOSS ON MATING SURFACE FOUND TO BE WITHIN LIMITS IAW RD 8/4-57-445. REMOVED CORROSION FROM PANEL, LEAVING A REMAINING MATERIAL THICKNESS .118", WITHIN ALLOWABLE LIMITS IAW RD 8/4-57-442. CONFIRMED PANEL IS CRACK FREE REF NTM 51-00-01-250-801. APPLIED ALODINE AND PRIMER TO WING MATING SURFACE IAW RD 8/4-57-445. APPLIED ALODINE AND PRIMER TO PANEL 524FT IAW RD 8/4-57-442. APPLIED SEALS TO PANEL AND COMPLETED PANEL REPAIR REF RD 8/4-57-442.