An N2 compressor blade on a run out engine was shed and punctured an oil line on an unidentified air...

Attributes
ACN	844763
Time
Date	200907
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	Marginal
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Descent
Flight Plan	IFR
Component
Aircraft Component	Oil Storage
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 200 Flight Crew Total 19000 Flight Crew Type 1500
Person 2
Function	Pilot Flying First Officer
Experience	Flight Crew Last 90 Days 210 Flight Crew Total 10000 Flight Crew Type 210
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

On descent; EICAS message 'low oil pressure left engine' illuminated. Oil psi was approximately 5 psi. Oil quantity was '0'. Shut down engine per checklist and noted airframe vibration. Declared emergency and advised flight attendants. First officer was flying till I took over the controls for the remainder of approach and landing. Runway assignment was first 32L and then we requested 14R. Weather then went to 200 ovc and half a mile. Had equipment standing by. Landing was normal as was taxi to gate. Called maintenance and was told an engine N2 blade was shed with major vibration; broke oil line with metal in tailpipe. Engine was supposed to be replaced next week.

Original NASA ASRS Text

Title: An N2 compressor blade on a run out engine was shed and punctured an oil line on an unidentified air carrier transport.

Narrative: On descent; EICAS message 'low oil pressure left engine' illuminated. Oil PSI was approximately 5 PSI. Oil quantity was '0'. Shut down engine per checklist and noted airframe vibration. Declared emergency and advised flight attendants. First Officer was flying till I took over the controls for the remainder of approach and landing. Runway assignment was first 32L and then we requested 14R. Weather then went to 200 OVC and half a mile. Had equipment standing by. Landing was normal as was taxi to gate. Called Maintenance and was told an engine N2 blade was shed with major vibration; broke oil line with metal in tailpipe. Engine was supposed to be replaced next week.

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.