What was found
DISCREPANCY: DURING C-CHECK IN KDHN, COMMERCIAL JET FOUND LONGERON 22L CORRODED BETWEEN STATIONS 1271 AND 1338 IN THE AFT LOWER CARGO COMPARTMENT CORRECTIVE ACTION: COMMERCIAL JET IN KDHN INSPECTED THE AREA AND FOUND THE CORRODED AREAS OUT OF LIMITS IAW DC9/MD80 SRM 51-30-5. THEY REMOVED 3 SECTIONS OF LONGERON 22L BETWEEN F.S. 1271-1338.THEY CUT, DRILLED AND DEBURRED LONGERON SECTIONS FROM 5242886-7075T6511 AND CUT, DRILLED AND DEBURRED REPAIR SPLICES FROM 52642454-7075T6 SPLICE EXTRUSION. TREATED AND PRIMED LONGERON SECTIONS AND SLICE REPAIR PARTS IAWDC9/MD80 SRM 51-10-3. THEY INSTALLED LONGERONS AND SPLICES IN THE AFT CARGO COMPARTMENT BETWEEN F.S. 1271 AND 1338 IAW DC9/MD80 SRM 51-30-5 AND SRM 51-30-2