<< >> NASA ASRS Report 839367, June 2009

A320 flight crew reports excessive N1 vibration from the #2 engine at FL380. Engine is reduced to idle and flight diverted for uneventful landing.

Attributes
ACN	839367
Time
Date	200906
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Fan
Person 1
Function	First Officer Pilot Flying
Experience	Flight Crew Last 90 Days 10 Flight Crew Total 7000 Flight Crew Type 2500
Person 2
Function	Pilot Not Flying Captain
Experience	Flight Crew Last 90 Days 250 Flight Crew Total 20000 Flight Crew Type 5500
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

In cruise experienced N1 vibration on #2 engine of 7.2; communicated with maintenance. Engine vibration decreased with throttle movement. Operated the engine at idle. Declared an emergency and landed.

Related reports:

• After long flight, flight crew fatigued, cleared for CAT ii ...

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Original NASA ASRS Text

Title: A320 flight crew reports excessive N1 vibration from the #2 engine at FL380. Engine is reduced to idle and flight diverted for uneventful landing.

Narrative: In cruise experienced N1 vibration on #2 engine of 7.2; Communicated with maintenance. Engine vibration decreased with throttle movement. Operated the engine at idle. Declared an emergency and landed.

Data retrieved from NASA's ASRS site as of April 2012 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.