DH-8A crew shut down #1 engine because of loss of oil quantity and low oil pressure.

Attributes
ACN	564059
Time
Date	200210
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : bwi.airport
State Reference	MD
Altitude	msl single value : 4000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : bwi.tracon
Make Model Name	Dash 8-100
Operating Under FAR Part	Part 121
Flight Phase	descent : approach
Route In Use	arrival : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : multi engine pilot : private pilot : student pilot : instrument pilot : atp pilot : cfi pilot : commercial
Experience	flight time last 90 days : 200 flight time total : 11500 flight time type : 4000
ASRS Report	564059
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : oil pressure, oil quantity other flight crewa other flight crewb
Resolutory Action	controller : provided flight assist controller : issued new clearance flight crew : landed in emergency condition flight crew : declared emergency other
Consequence	other other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Performed a precautionary shutdown of the #1 engine due to low oil pressure readings. Declared an emergency, landed at bwi without incident. Callback conversation with reporter revealed the following information: the low oil pressure was caused by loss of oil quantity when an engine oil seal blew. Maintenance replaced the seal and the problem was solved.

Original NASA ASRS Text

Title: DH-8A CREW SHUT DOWN #1 ENG BECAUSE OF LOSS OF OIL QUANTITY AND LOW OIL PRESSURE.

Narrative: PERFORMED A PRECAUTIONARY SHUTDOWN OF THE #1 ENG DUE TO LOW OIL PRESSURE READINGS. DECLARED AN EMER, LANDED AT BWI WITHOUT INCIDENT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE LOW OIL PRESSURE WAS CAUSED BY LOSS OF OIL QUANTITY WHEN AN ENG OIL SEAL BLEW. MAINT REPLACED THE SEAL AND THE PROB WAS SOLVED.

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.