What was found
CORROSION FOUND ON LOWER AFT CORNER OF WASTE BOX AREA APPROXIMATELY 2.5 IN BY 0.5 IN SEE PICTURE, REFERENCE AMDS 5327- 01014-01, AD 2021-13-20. NEEDS DISPOSITION PRIOR TO FURTHER FLIGHT. REF NR 171. REPAIRED PER ER/A 598194-14AD PRI REV. 0 AND REV. 1, COMPLIED WITH ER/A 598194-14AD. REF NR 171. (LP# 2176669)