<< >> NASA ASRS Report 1054986, December 2012

B757 flight crew experiences fluctuating EPR on the right engine during takeoff and the captain rejects the takeoff.

Attributes
ACN	1054986
Time
Date	201212
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Light	Night
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Component
Aircraft Component	Turbine Engine
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Captain Pilot Flying
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

On takeoff roll the right engine would not maintain 1.59 EPR. The right engine rolled back 2 times after attaining 1.59 EPR. We where at 60 KTS and I (pilot not flying) called out 'right engine is not making takeoff EPR.' when the takeoff was discontinued: the thrust levers where at over a two knob split. Both engines started under 400C and looked to be strong; until takeoff power was set and the right did not make power.

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Original NASA ASRS Text

Title: B757 flight crew experiences fluctuating EPR on the right engine during takeoff and the Captain rejects the takeoff.

Narrative: On takeoff roll the right engine would not maintain 1.59 EPR. The right engine rolled back 2 times after attaining 1.59 EPR. We where at 60 KTS and I (pilot not flying) called out 'Right Engine is not making Takeoff EPR.' When the takeoff was discontinued: The thrust levers where at over a two knob split. Both engines started under 400C and looked to be strong; until takeoff power was set and the right did not make power.

Data retrieved from NASA's ASRS site as of July 2013 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.