What was found
DURING C-CHECK INSPECTION, LEVEL 2 CORROSION WAS NOTED ON LT WING UPPER SURFACE AT NR 4 SPOILER ATTACH POINT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-CHECK INSPECTION, LEVEL 2 CORROSION WAS NOTED ON LT WING UPPER SURFACE AT NR 4 SPOILER ATTACH POINT.