Another fact to consider is Southwest only flies 737 series aircraft, and this is the only aircraft type they have flown in over 30 years of operations. I think it's safe to say that Southwest has more experience flying and maintaining the 737 than any other airline in the world, and if they thought that a 737 wasn't safe, they wouldn't let it fly. Why would they jeopardize their good reputation by compromising safety? They already make a profit. I'm thinking this has to be some type of paperwork or FAA oversight issue going on here, not a real safety issue. In fact, it looks like an FAA supervisor has already been demoted for improper oversight of the Southwest 737 inspection program. Also, Boeing, the manufacturer of the 737, even signed off on the Southwest compliance program and said the planes were safe to fly. Who knows the 737 airliner better than the company that designed and built it?