What was found
DURING HEAVY MAINTENANCE, CORROSION REAR SPAR TRAILING EDGE RIBLET J FITTING RIB 17 RH WING; REPLACED RIBLET J IAW AEROMAN EA 57-0099-20, AIRBUS TD/80742926/005/2020/A, AIRBUS RDAS 80742926/003/2020 ISSUE A, AND JB EC A20-162-01. AEM NR 2020-22/1-2020-44678.