As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON WING BOX UPPER SURFACE STA Y=684 X=-59. SUMMARY OF NRC 00398: CORROSION LEVEL 2. WING BOX UPPER SKIN SURFACE STA Y=684 X=-59 WAS REPAIRED PER ER/A 612910-14 REV ORIGINAL SECTION I: PERMANENT REPAIR. ASSOCIATED ER/A 14-612910 ADDED FOR AC 9533. (LP #0086025)