What was found
(CAN) DURING THE COMPLETION OF THE DEPARTMENTS CAMPAIGN NOTICE FOR CORROSION INSPECTION OF INTEGRAL FUEL TANKS, FASTENERS & THREAD INSERTS IN THE ACCESS PANELS IT WAS DISCOVERED THAT SOME WERE BADLY CORRODED. CORROSION WAS ALSO DISCOVERED ON THE ACCESS PANELS & THE LOWER WING SKIN. ONE REMOVED ACCESS PANEL WAS DISCOVERED TO HAVE RECEIVED AN UNAPPROVED REPAIR. CORROSION WAS MECHANICALLY REMOVED AND AREAS TREATED, ACCESS PANEL WITH UNAPPROVED REPAIR WAS REPLACED, REPLACEMENT FASTENERS WERE INSTALLED & COATED WITH LPS#3 AT INSTALLATION.