let=99s try this again
> On Nov 6, 2016, at 11:35 PM, John Wighton <john@wighton.net
<mailto:john@wighton.net>> wrote:
>
> The upper hinge leaf is bent but the heads of the fasteners did not
pull through. Dismantling revealed the knife-edge countersink, which is
so deep the hole is opened up to well beyond a 'fit' with the screws.
>
> Repair is easy, but this incident does underline how marginal the
hinges are even when built according to the manual.
Johnif memory serves, the hinge/door tang is designed as a
failure point in order to ensure that the departure of an un-secured
door does not inflict structural damage on the fuselageF.
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