What was found
DURING ACCOMPLISHMENT OF AD 85-24-2, RAM AIR PLENUM CORROSION INSPECTION. CORROSION WAS FOUND ALONG THE RT SIDE WING BOX CENTER SECTION AT STRINGERS S-3C AND S-4C, RBL 36.5 AND STRINGERS 3C AND S-4C, RBL 20.0. THE CORROSION WAS REMOVED BY BLENDING OUT. THE AREA WAS REPAIRED IAW BOEING ENGINEERING LETTER AOC-OKC-98-05044 DATED 6-2-98, BY AAR OKLAHOMA CITY. STRUCTURAL SUBSTANTIATION OF REPAIR PLAN IS AN AMOC TO AD 85-24-02. THE AREA WAS RESTORED TO NORMAL AND ACFT RETURNED TO SERVICE. (X)