What was found
INSPECTION TYPE:C, UPPER AUX TANK UPPER EXTERNAL SKIN HAS SLIGHT SURFACE CORROSION AT STA 1375 X=-47 TO X=-90. UPPER AUX TANK UPPER EXTERNAL SKIN CORROSION REMOVED BY HAND, CLEAN AND TREATED IAW SRM 51-21-01 VOL II REV 31. CORROSION FOUND WITHIN LIMIT EXCEPT 3 DOUBLERS BADLY CORRODED AT STA 1375 X=-47 TO X=-75, FOUND EXCEED LIMIT. DOUBLER FABRICATED AND REPLACED AS PER SRM 51-35-01 VOL II REV 31.