SEATTLE -- KIRO Team 7 Investigators discover cracks, corrosion and weakened metal hidden inside a growing number of Boeing passenger jets. The problems lie along structural seams called lap joints. A fuselage is designed with overlapping sheets of metal riveted together. We uncovered at least 28 different warnings regarding flaws or defects. In 2002, a China Airlines jet plummeted into the water, killing 225 passengers. MORE ON THIS STORY Flight Standards Information Bulletin for Airworthiness (HTML VERSION) Flight Standards Information Bulletin for Airworthiness (Microsoft Word Version) Fourteen years earlier, an Aloha Airlines 737 opened up like a sardine can, killing...