Some points from the report:
- No indications of any pre-existing problems with any of the aircraft systems.
- Examination of the engines indicated no evidence of a mechanical defect or ingestion of birds or ice.
- Data, downloaded from the Electronic Engine Controllers (EECs) and the QAR, revealed no anomalies with the control system operation.
- fuel conforms to Jet A-1 specifications and that there were no signs of contamination or unusual levels of water content.
The investigations will continue to attempt to replicate the damage to the engine fuel pumps to try and match it to the data recorded in the accident.