What was found
DURING REPAIR OF LT WING THE AFT SPAR ATTACH FITTING WAS REMOVED. SEVERE CORROSION WAS FOUND UNDER THE FITTING. PROBABLE CAUSE IS TRAPPED MOISTURE, LACK OF PREVENTATIVE TREATMENT AND LACK OF PROPER INSPECTION OF AREA.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING REPAIR OF LT WING THE AFT SPAR ATTACH FITTING WAS REMOVED. SEVERE CORROSION WAS FOUND UNDER THE FITTING. PROBABLE CAUSE IS TRAPPED MOISTURE, LACK OF PREVENTATIVE TREATMENT AND LACK OF PROPER INSPECTION OF AREA.