As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT WINGLET UPPER TIP SHOWS EVIDENCE OF DELAMINATION UPPER WINGLET CAP HAS THREE INCHES IN LENGTH OF CORROSION.<[01] REMOVED R/H WINGLET ASSY. PER AMM 57-21-21;[02] REMOVED AND REPLACED WINGLET PER AMM 57-21-21 AND MMS 57-31-02.;[03] CW