What was found
HEAVY CHECK COE/MAJOR REPAIR: FRETTING DAMAGE ON LT WING REMOVABLE PANEL LANDING FOR ACCESS PANEL 521DT. LEVEL 2 CORROSION. REPAIR PER SRAS DO/TS-4809/07...4337 ISSUE E.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
HEAVY CHECK COE/MAJOR REPAIR: FRETTING DAMAGE ON LT WING REMOVABLE PANEL LANDING FOR ACCESS PANEL 521DT. LEVEL 2 CORROSION. REPAIR PER SRAS DO/TS-4809/07...4337 ISSUE E.