He picked me up and we drove a special parking lot at SFO and got in the maintenance employee entrance:

One hangar had planes on display and MX people answering questions on how they do maintenance. That was interesting:

they use eddie currents to see invisible cracks

engines sitting outside pre or post maintenance

We got to visit the test cell, a very interesting part of the visit:

this is where the engines get overhauled and tested

impressive facility to test engines (they get tested for over 8H)

mega blast door in case the engine disintegrates

Planes on display were nice, including plane pulling contests

warmup for the plane pull

it would be fun if we used them to tow planes from now on :)

Emergency slide deployment

Plane tours

Yes Arturo, this is what coach looks like. That's where other people sit :)

They also had random other planes and cars for display:

the fire truck was cool

Sky writing, dot matrix style:

And that was it. The only thing we messed up on was not getting in line to see the 747 cockpit very early on before a crazy line started, but oh well.