In This Story BA +3.60% LUV -0.16% GE +0.79% RTX +0.01% Boeing’s ( BA +3.60% ) long, difficult year kicked off with a 737 Max door plug blowout, and now a new part is drawing scrutiny from federal investigators. Reuters reports that the Federal Aviation Administration is looking into problems with the plane’s engines after a pair of bird strikes last year aboard a pair of Southwest Airlines ( LUV -0.16% ) flights. Suggested Reading 3 Nvidia customers have each spent $10 billion on chips this