Narrative:

Loss of oil pressure on left engine. Shut down left engine, declared emergency, and returned to stl.

Google
 

Original NASA ASRS Text

Title: B757 DEPARTING STL LOST OIL PRESSURE, SHUT DOWN ENG AND RETURNED TO LAND.

Narrative: LOSS OF OIL PRESSURE ON L ENG. SHUT DOWN L ENG, DECLARED EMER, AND RETURNED TO STL.

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.