Narrative:

Annunciator illuminated indicating an abnormal engine condition. Left engine oil strainer clog light illuminated at cruise. Reduced thrust to idle; light remained illuminated. Executed QRH procedure and diverted to nearest suitable airport. Landed uneventfully. Left engine operated at idle thrust. ATC declared an emergency.

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Original NASA ASRS Text

Title: MD88 FLT CREW REPORTS OIL STRAINER CLOG LIGHT AT FL340. QRH PROCEDURES ARE FOLLOWED AND AN EMERGENCY IS DECLARED WITH A DIVERT TO THE NEAREST SUITABLE ARPT.

Narrative: ANNUNCIATOR ILLUMINATED INDICATING AN ABNORMAL ENG CONDITION. L ENG OIL STRAINER CLOG LIGHT ILLUMINATED AT CRUISE. REDUCED THRUST TO IDLE; LIGHT REMAINED ILLUMINATED. EXECUTED QRH PROC AND DIVERTED TO NEAREST SUITABLE ARPT. LANDED UNEVENTFULLY. L ENG OPERATED AT IDLE THRUST. ATC DECLARED AN EMER.

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.