<< >> NASA ASRS Report 448934, September 1999

A CL65 in cruise at FL280 declared an emergency due to #2 engine failure caused by the 7TH stage compressor bearing failure.

Attributes
ACN	448934
Time
Date	199909
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : hvq.airport
State Reference	WV
Altitude	msl single value : 28000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zid.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet CL65, Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Navigation In Use	other vortac
Flight Phase	cruise : level
Route In Use	enroute airway : j24.airway
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : multi engine
Experience	flight time last 90 days : 150 flight time total : 6250 flight time type : 2400
ASRS Report	448934
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : #2 eng indicator
Resolutory Action	flight crew : declared emergency
Consequence	other other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Flying at cruise, when a bearing that malfunctioned caused oil pressure to decrease rapidly. Ended up shutting down the #2 engine. Everything was uneventful and the crew worked well together. Decided to continue to cvg rather than to land at crw or hts. Both airports are special use airports due to mountainous terrain and short runways. Cvg was the only suitable airport in relation to time. Callback conversation with reporter revealed the following information: the reporter stated the engine was a ge CF34-3a1 and the failure reported by maintenance was the 7TH stage compressor bearing failure. The reporter said the engine was replaced.

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Original NASA ASRS Text

Title: A CL65 IN CRUISE AT FL280 DECLARED AN EMER DUE TO #2 ENG FAILURE CAUSED BY THE 7TH STAGE COMPRESSOR BEARING FAILURE.

Narrative: FLYING AT CRUISE, WHEN A BEARING THAT MALFUNCTIONED CAUSED OIL PRESSURE TO DECREASE RAPIDLY. ENDED UP SHUTTING DOWN THE #2 ENG. EVERYTHING WAS UNEVENTFUL AND THE CREW WORKED WELL TOGETHER. DECIDED TO CONTINUE TO CVG RATHER THAN TO LAND AT CRW OR HTS. BOTH ARPTS ARE SPECIAL USE ARPTS DUE TO MOUNTAINOUS TERRAIN AND SHORT RWYS. CVG WAS THE ONLY SUITABLE ARPT IN RELATION TO TIME. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ENG WAS A GE CF34-3A1 AND THE FAILURE RPTED BY MAINT WAS THE 7TH STAGE COMPRESSOR BEARING FAILURE. THE RPTR SAID THE ENG WAS REPLACED.

Data retrieved from NASA's ASRS site as of July 2007 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.