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<p>The A400M's engine, the TP-400, is provided by EuroProp International, a subcontractor
to Airbus. Problems have been seen on combustion chambers on early versions of the
TP-400 degrading at a faster rate than expected; these are currently being replaced
with an improved design. The engine's propeller gearbox has also experienced some
issues due to faulty components; these are being replaced with new and redesigned
parts. This work will be undertaken during periods of planned maintenance to avoid
further impacting availability and is expected to be completed by mid-2020. There
is no cost to the Ministry of Defence as it is covered by contractual warranties.</p>
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