[arasina]

It's probably a twenty-cent grease fitting or an eight-cent washer left out at last servicing...

I would imagine little parts like that can still be as dangerous. Like those innocent tile thingies on the Space Shuttle, remember? :o)

[mhking]

KABC: Jet Blue statement quoting 140 passengers, 6 crew; landing soemtime before 6PT.

[Petronski]

Alaska Air crashed because a screw-drive mechanism had not been sufficiently greased. An Aeroperu flight crashed because a warning sticker (REMOVE BEFORE FLIGHT) was left covering a barometric pressure sensor orifice.

[Petronski]

There was another european airliner that was forced to land with no fuel...in a dead glide...because clip type A was used to retain a hose, rather than the nearly identical clip type B.