What was found
COE-C4 CHECK. LT WING PANEL 521CT HAS MINOR FRETTING CORROSION. BLENDED FRETTING IAW RD 8/4-57-445. .086 REMAINING THICKNESS, NO CRACKS FOUND. RESTORED SURFACE PROTECTION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
COE-C4 CHECK. LT WING PANEL 521CT HAS MINOR FRETTING CORROSION. BLENDED FRETTING IAW RD 8/4-57-445. .086 REMAINING THICKNESS, NO CRACKS FOUND. RESTORED SURFACE PROTECTION.