The instrument cluster was redesigned with the speedometer now reading 140 mph (earlier models only indicated 130 mph) and a better-designed toll ticket slot in the driver's sun visor.
Initially, the system maintained a good radar signature, although satellite imagery soon indicated that convection became limited in intensity and coverage.
An independent report indicated that an accidental rapid pressurization combined with lightly gusting wind and a location of previously undetected damage caused the tear.