What was found
FLT 6403 MSY-BNA, DURING HEAVY MAINTENANCE CHECK FOUND FORWARD CABIN FRAME 14 CROSSMEMBER CORRODED P/N 170-21766-411. REPAIRED BY BLENDING CORROSION, FABRICATING "L" ANGLE, SHIMS. SET RIVET PATTERNS AND DRILLED ALL PARTS. HFEC INSPECTION, ALODINED, PRIMED, INSTALLED FASTENERS AS PER EC E12-701-01.