What was found
SAW - DURING CPCP-4 INSPECTION MAINTENANCE DISCOVERED, THE FORWARD CARGO DOOR DRAIN CHANNEL, DRAIN CHANNEL SUPPORT PLATE, AND INNER CHORD CORRODED BETWEEN FRAMES 13 AND 18. MAINTENANCE REMOVED AND REPLACED THE DRAIN CHANNEL, DRAIN CHANNEL SUPPORT PLATE, AND INNER CHORD IAW SRM 51-25-00. AIRCRAFT WAS RETURNED TO SERVICE. (M)