What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION EXTERNAL SKIN UNDER ACCESS PANEL 321AL ON UPPER FUSELAGE, MEASURE CORROSION ARE L=1.264 INCH W=1.135 INCH D=0.008 INCH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: CORROSION EXTERNAL SKIN UNDER ACCESS PANEL 321AL ON UPPER FUSELAGE, MEASURE CORROSION ARE L=1.264 INCH W=1.135 INCH D=0.008 INCH.