[rdcbn1]

This is pilot error .

The plane did what it should and maybe we should even be impressed that it held together.

737s are not designed for aerobatics

[rdcbn1]

8500 fpm climb, just damn! Aggressive climb for sure

That's just plain smokin’

[steve86]

“737s are not designed for aerobatics”

Yet in this case it did some unscheduled aerobatics and held up just fine.

[Paal Gulli]

"...737s are not designed for aerobatics."

Neither was the 707 but Tex Johnston did an aileron roll in one. Two, in fact. He did the second in case the press didn't catch it the first time, or didn't believe what they had seen.