What was found
LIGHT FRETTING ON RH OB FUEL TANK ACCESS PANEL LANDING AT PANEL 624BT. REMOVED FRETTING RH OB FUEL TANK ACCESS PANEL LANDING AT PANEL 624BT IAW SRM 57-20-35-02-05 REV21. NM (HFEC0 IAW NDTM PART 6 51-00-08-250-801 REV 24. NFF REF SKYSERVICE WO# TW 305407. REPROTECTED REWORKED ARE WITH ALODINE EPOXY AND FWD TANK PRIMER IAW SRM 51-21-10-02-01, 51-25-10-02-01 AND 51-25-40-02-01 REV 21