What was found
INSPECTION TYPE:SI, WHEN ACCESSING AND REMOVAL OF UPPER CROWN SKIN DISCOVERED STR 4R SKIN LAP CORRODED BS 480 TO 740. REMOVED CORROISON ON UPPER SKIN LAP AT STR 4R AND REPAIRED PER ER 99-6465.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INSPECTION TYPE:SI, WHEN ACCESSING AND REMOVAL OF UPPER CROWN SKIN DISCOVERED STR 4R SKIN LAP CORRODED BS 480 TO 740. REMOVED CORROISON ON UPPER SKIN LAP AT STR 4R AND REPAIRED PER ER 99-6465.