B757-200
Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Flight Crew Diverted; Flight Crew Landed in Emergency Condition; General Maintenance Action
Aircraft
Approaching 5050N left engine lost thrust. Called Captain to flight deck and diverted.
At FL340; just coming off the track; left engine EPR value initially degraded to approximately 1.2 EPR vice right engine value of 1.45-1.55 EPR. Other left engine instruments also began to decay. I [advised] ATC; turned directly toward the nearest suitable airport; and began a descent. I attempted an APU start which initially failed. With throttles at idle in the descent; cockpit crew and I contacted dispatch; confirmed our divert field; briefed First FA; made passenger pa; and advised ATC. On second attempt at about flight level 220; APU started. Left engine instruments were now indicating below flight idle; with fuel flow 1.0-0.9 LBS/per hour. We accomplished appropriate checklists and landed using single engine procedures. AARF checked aircraft for damage and hot brakes on runway. Fire chief reported no aircraft problems and brake temperatures no hotter than moderate. We taxied to parking stand abeam terminal and shut down. Passengers deplaned via air-stairs. Aircraft sustained no damage and no reported injuries from passengers or crew. Engine fuel flow governor failed. Stuff happens...
B757 flight experienced an engine failure at FL340; exited the National Air Traffic Service; and diverted to the nearest suitable airport for a single engine landing.