What was found
AFT OF FORWARD AVIONICS COMPARTMENT 01 EACH INTERCOSTAL AT STATION 426.438 X=2.375 FOUND CORRODED. AFT OF FORWARD AVIONICS COMPARTMENT AT STATION 426.438 X=2.375 INTERCOSTAL CORROSION REMOVED AND FOUND EXCEED LIMIT AS PER SRM 53-00-00-2R FIGURE 205 REPAIR GENERAL. CORRODED INTERCOSTAL REMOVED AND REPLACED WITH FABRICATED INTERCOSTAL AS PER SRM 51-31-01-0G. INTERCOSTAL FABRICATED AS PER DOUGLAS DRAWING ABA 8678 REVISION K. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.