What was found
***CORROSION*** LT WING TIP RIB 27 O/B SURFACE (WINGLET MOUNTING) AT 1' AFT OF AFT UPR MOUNTING BOLT HOLE / REPAIRED LT WING TIP RIB 27 OB SURFACE AT 1' AFT OF AFT UPR MOUNTING HOLE IAW ER 18-05119 REV IR AND EA 1-757-15708 REV IR
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
***CORROSION*** LT WING TIP RIB 27 O/B SURFACE (WINGLET MOUNTING) AT 1' AFT OF AFT UPR MOUNTING BOLT HOLE / REPAIRED LT WING TIP RIB 27 OB SURFACE AT 1' AFT OF AFT UPR MOUNTING HOLE IAW ER 18-05119 REV IR AND EA 1-757-15708 REV IR