What was found
EMERGENCY LANDING DUE TO MODERATE CABIN SMOKE/CARGO DECK. REMOVED AND REPLACED AFT LEFT SIDE DUCT ASSEMBLY, P/N AAM7241-1, DUCT ASSY AFT WELDED. REMOVED AND REPLACED AFT LEFT SIDE DUCT ASSY AFT WELDED. LEFT SIDE AFT FUSELAGE PNEUMATIC DUCT ASSY. (M)