Caertec Aviation has recently completed a review and an analysis of the engine data for an aircraft of Trent 970-84 engines for a good customer based in the EU. The engine data was reviewed against the latest AD and TLM data for the LLP. The Engine trends were analysed, the BSI videos and reports were reviewed and a final report issued to the customer to opine on the ability of the engines and associated hardware to operate for the customer for a period of time before Shop visit. All engines reviewed were in good condition and suitable for Customer operations.