Saab 340 flight crew has an engine malfunction; declares emergency and lands.

Attributes
ACN	724060
Time
Date	200701
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 14000
Environment
Flight Conditions	IMC
Light	Dawn
Aircraft 1
Controlling Facilities	tracon : zzz.tracon
Operator	common carrier : air carrier
Make Model Name	SF 340B
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	724060
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	723718
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : cas warning other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Upon leveloff at cruise altitude (14000 ft) we observed master warning on the cwp indicating low oil pressure in engine #1 left. Left engine gauge also indicated pressure at red line (below 30 psi). Temperatures on engine #1 remained normal throughout event. We followed the QRH. During this period we also declared an emergency at approximately 45 mi east of ZZZ and began a descent towards ZZZ. Engine parameters on operating engine #2 were normal throughout event. Secured left engine as per the QRH. Securing engine we were VMC and cleared for a visual approach to ZZZ. Single engine taxi to our gate. Crash fire rescue equipment followed up reporting no smoke on left engine. Deplaned normally. Postflt revealed oil streams on inboard side of left engine.

Original NASA ASRS Text

Title: SAAB 340 FLT CREW HAS AN ENG MALFUNCTION; DECLARES EMER AND LANDS.

Narrative: UPON LEVELOFF AT CRUISE ALT (14000 FT) WE OBSERVED MASTER WARNING ON THE CWP INDICATING LOW OIL PRESSURE IN ENG #1 L. L ENG GAUGE ALSO INDICATED PRESSURE AT RED LINE (BELOW 30 PSI). TEMPS ON ENG #1 REMAINED NORMAL THROUGHOUT EVENT. WE FOLLOWED THE QRH. DURING THIS PERIOD WE ALSO DECLARED AN EMER AT APPROX 45 MI E OF ZZZ AND BEGAN A DSCNT TOWARDS ZZZ. ENG PARAMETERS ON OPERATING ENG #2 WERE NORMAL THROUGHOUT EVENT. SECURED L ENG AS PER THE QRH. SECURING ENG WE WERE VMC AND CLRED FOR A VISUAL APCH TO ZZZ. SINGLE ENG TAXI TO OUR GATE. CFR FOLLOWED UP RPTING NO SMOKE ON L ENG. DEPLANED NORMALLY. POSTFLT REVEALED OIL STREAMS ON INBOARD SIDE OF L ENG.

Data retrieved from NASA's ASRS site as of January 2009 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.