I personally find the way of capturing the G/S from above in Airbus FBW too fiddly, (and prone to error in the heat of the moment), and if it happens to me I prefer to just take out the A/P, ignore the FD pitch, and fly it down onto the G/S manually.
On this EK flight, were the crew heads-down trying to work out what they had programmed wrong rather than saying; "Right forget the electronics, let's fly this plane UPWARDS and sort it out later" ?!
Back to basics is required methinks.
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Sounds like a reasonable solution but in EK you’re not allowed to do that. A go around is required.