Found on Defender UK site.

Not Defender model, and a very limited production range, but worth noting.

Alert number: A12/01420/20
Product: Passenger car
Name: Range Rover, Range Rover Sport
Company recall code: N496
Production dates: The affected vehicles were manufactured between 27 August and 29 September 2020.
Type of alert: Serious
Category: Motor vehicles
Brand: Land Rover
Type / number of model: e5*2007/46*1053 - Range Rover, e5*2007/46*1056 - Range Rover Sport
Counterfeit: NO

Risk type: Fire
The Exhaust Gas Recirculation (EGR) crossover pipe may not have been manufactured according to the specification and can crack, allowing the escape of high temperature exhaust gas. Consequently, the escaped gas can come into contact with the plastic Variable Camshaft Timing cap and melt it, allowing liquid oil to be exposed to hot exhaust gas, increasing the risk of fire. /
Measures taken by economic operators: Recall of the product from end users (By: Manufacturer)

Description: Vehicles equipped with I6 3.0L 6-cylinder diesel engine; model year 2021

Country of origin: United Kingdom
Alert submitted by: United Kingdom