<< >> NASA ASRS Report 1181451, June 2014

A B757 flight crew declared an emergency and diverted to a nearby airport when the right engine suffered a partial loss of power. An overweight landing was successfully accomplished.

Attributes
ACN	1181451
Time
Date	201406
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B757-300
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Turbine Engine
Person 1
Function	Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	First Officer
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

At cruise FL320 right engine had partial loss of power. Phone patched to dispatch/maintenance control. Discussed with them the engine parameters. Maintenance/dispatch told us to divert to a nearby airport. Airspeed and altitude were easily maintained with split throttles. Right engine thrust availability remained stable up to 1.6 EPR; so we declared an emergency and proceeded to our diversion airport. At power settings below 1.4 EPR the throttles were matched and the airplane flew normally. An overweight landing was made and entered into the logbook.

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Original NASA ASRS Text

Title: A B757 flight crew declared an emergency and diverted to a nearby airport when the right engine suffered a partial loss of power. An overweight landing was successfully accomplished.

Narrative: At cruise FL320 right engine had partial loss of power. Phone patched to Dispatch/Maintenance Control. Discussed with them the engine parameters. Maintenance/Dispatch told us to divert to a nearby airport. Airspeed and altitude were easily maintained with split throttles. Right engine thrust availability remained stable up to 1.6 EPR; so we declared an emergency and proceeded to our diversion airport. At power settings below 1.4 EPR the throttles were matched and the airplane flew normally. An overweight landing was made and entered into the logbook.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.