Interesting, Piers. It’s a shame that the investigation was largely
inconclusive.
It reminded me of a C130 which not long ago adopted a similar nose-up attitude
after takeoff and stalled into the ground. The investigation discovered that
one of the crew had jammed a box between the control column and the instrument
panel so as to maintain the elevators almost fully up to allow a large load to
be moved into the fuselage. No one checked the controls before takeoff . . .
Chris
> On 28 Nov 2018, at 16:51, Piers Hemy <piers@xxxxxxxx> wrote:
>
> Meanwhile a couple of years later, I chanced across the BEA-É report into
> the accident published a couple of weeks ago at:
> <https://reports.aviation-safety.net/2016/20161024-0_SW4_N577MX.pdf
> <https://reports.aviation-safety.net/2016/20161024-0_SW4_N577MX.pdf>>
>
> Turns out the aircraft had an interesting (though incomplete) history, with
> some resultant maintenance challenges. Report offers improbable, possible
> and plausible causes, with the concluding words: "Given the condition of the
> wreckage and the absence of witness reports from the crew, only a flight
> data recorder could have enabled the BEA-É to confirm one of these
> hypotheses. However, in consideration of the factors detailed in the
> analysis, the hypothesis of damage to a component of the elevator control
> line remains the most plausible explanation."
>
> The flight control cables had been replaced the year before the crash, but
> the maintenance organisation was not permitted any access to documentation
> for modifications to the cable runs carried out thirty years previously ?.
>
> It seems the pilot had no chance of avoiding the inevitable.
>
> The ASN description at:
> <https://aviation-safety.net/database/record.php?id=20161024-0
> <https://aviation-safety.net/database/record.php?id=20161024-0>> has some
> background, although without attribution.
>
> Piers
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