What was found
DURING HEAVY MAINTENANCE: CORROSION TRAILING EDGE TIP SKIN LOWER SURFACE BETWEEN RIB 21 TO RIB 22 ON RH WING (CPCP FINDINGS); (RESOLVED ON W/O: 1389906 TASKCARD: NR-00042) AEROMAN WO# 2025 180/1 WCC 2025-2984859 FOR WORK PERFORMED; PERFORMED REPAIR TRAILING EDGE TOP SKIN LOWER SURFACE BTW RIB 21 TO RIB 22 ON RH WING IAW A320 SRM 57-21O-11-283-007. THIS REPAIR IS CAT B INSP THRESHOLD 144,000FC / 180,000 FH SUBSEQUEST INSP AT INTERVALS TBD METHOD INSP TBD A320 SRM 57-21-11-205-008. TABLE 1, PSE IAW A320 SRM 51-11-12 MX-220 COMPLETED FUR# A320-57-02321.