[6ppc]

From what I have read, the cracks are in non-critical areas. But still, they ae only a couple of years old and should have zero cracks.

If the area is non-critical then why is it receiving enough stress to cause the cracks? Seems to me that non-critical areas should receive little to no stress. If an area is receiving any stress how can it be non-critical?

Just don't buy it.

[jim_trent]

If the metal is not heat treated properly, or the bend radius was too tight, or any number of other manufacturing defects, it could crack with no load on them. You do not need an external load to cause a crack. All it would take is time.

That kind of stuff cannot be seen or tested for. If it is happening to “non-critical” parts, I would be taking a hard look at how the critical parts were manufactured.