Terry Maxon at the Dallas Morning News' AIRLINE BIZ blog created a very handy chart outlining each model of the Boeing 737's first order, rollout, first flight, certification, delivery, entry into service, first airline and last delivery.
I think Terry's chart is a great resource because it answers some of the big questions I've heard people asking when they call in to radio programs discussing the safety implications of last Friday's Southwest Airlines inflight rupture. (You can see my colleague Andy Compart's photos of the damaged sections of the fuselage here.)
Most want to know: How old are these planes? Who flies them? Who maintains them?
Great research, Terry.
In an answer to that last question, O&M has a big project underway. Every other year, we do a global survey of the world's largest airframe maintenance providers -- companies that do the major checks on the aircraft's most basic structure and look for issues such as fatigue cracking. We look at which companies garner the majority of this work and ask them what technologies they're investing in to make their operations more efficient and safer.
If you have any questions you'd like us to ask of our top facilities, please send them to me either by leaving a comment here or emailing me at firstname.lastname@example.org.