What was found
CENTER WING FUEL PANEL 623AT HAS CORROSION ON NUMEROUS COUNTERSINK LOCATIONS. REMOVED CORROSION FROM COUNTERSINKS ON CENTER WING FUEL PANEL 623AT REF SRM 57-10-35, REPAIR-03, PG 202-203, PROCEDURE 6A, STEPS 1-2. PERFORMED E/T INSP OF PANEL 623AT COUNTERSINK HOLES IAW NDTM 51-00-06. NO DEFECTS NOTED. MEASURED DIAMETER OF REWORKED COUNTERSINKS OF .6470 MAX AND FASTENER HEAD OF .0135 BELOW FLUSH MAX, COUNTERSINKS ARE WITHIN LIMITS REF SRM 57-10-35. APPLIED ALODINE ON COUNTERSINK HOLES ON PANEL 623AT, REF AMM TASK 51-25-16-390-801.