What was found
DURING ACFT HEAVY MAINTENANCE CHECK, INSPECTORS FOUND EXFOLIATION CORROSION ON UPPER SURFACE OF THE CENTER AUXILIARY FUEL TANK, STATION 1239.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ACFT HEAVY MAINTENANCE CHECK, INSPECTORS FOUND EXFOLIATION CORROSION ON UPPER SURFACE OF THE CENTER AUXILIARY FUEL TANK, STATION 1239.