UPDATED: Southwest working to replace unapproved jet parts

UPDATE: The latest on Southwest's use of unapproved parts on some of its airplnes: The FAA gave the airline until Dec. 24 to replace all of the parts. Yesterday's post with background is here:

Southwest Airlines has suspended a vendor that supplied it with 737 jet parts that weren't federally approved, and is still talking to the Federal Aviation Administration about keeping planes flying while it replaces the parts. Read more here.