Here's the classic 'I hoid a bang and I knew we wuz gonna die' tabloid style news item on the incident from CNN:
JetBlue passengers endure scary emergency landing - CNN.com
I'm very hesitant to second guess the crew given the good result of the safe return and evac. These days any decision you make will be criticized by the geniuses on the ground here and elsewhere.
Fortunately, the only place I've ever made the evac call is in the simulator.