Originally Posted by
lomapaseo
I recall (subject to the official report) The investigation showed that most of the engines were heavily worn with little EGT margin (as purchased from PE by CO). The FDR showed the crew over pitched the aircraft after the first engine quit (nonresponsive in an engine stall condition). The other engines continued to operate during the turnback but likely may have experience a short powerloss while pitched up.
The official AAIB report ('I have the honour to be Sir your obedient servant' etc.) is here:
https://assets.publishing.service.go...989_N605PE.pdf