Narrative:

Shut down #2 engine at cruise due to no oil quantity. At FL330, over lake michigan, so noticed #2 oil quantity down to 2 gals. Upon monitoring oil quantity, it decreased slowly to zero, followed by oil pressure decreasing into yellow band. A precautionary shutdown was commenced at XA16Z. We declared an emergency with ZAU and proceeded to dtw. Dispatch and maintenance control had been consulted and concurred with our actions. An emergency was declared to dispatch and the flight attendants. An uneventful descent, approach, and landing were made. We requested runway 22L (longest) and that equipment be standing by. We chose to continue to dtw to land because it was just as safe as any other alternate. Winds at ord and mke were considered as too high. Approach and landing were uneventful. Supplemental information from acn 521604: the aircraft performed just fine on 2 engines and the flight was completed without any difficulties. It was a routine precautionary shutdown that was accomplished before the oil pressure on the #2 engine dropped below the red line. This was my third 2-ENG landing on a DC10 and the aircraft always flew just fine on 2 engines. If not for the PA informing our passenger that we had shut an engine down and the fire trucks on landing, I doubt that they would have known that we had any problem at all.

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Original NASA ASRS Text

Title: A DC10-40 IN CRUISE AT FL330 DECLARED AN EMER DUE TO #2 ENG LOSS OF OIL PRESSURE AND QUANTITY. CAUSE UNKNOWN.

Narrative: SHUT DOWN #2 ENG AT CRUISE DUE TO NO OIL QUANTITY. AT FL330, OVER LAKE MICHIGAN, SO NOTICED #2 OIL QUANTITY DOWN TO 2 GALS. UPON MONITORING OIL QUANTITY, IT DECREASED SLOWLY TO ZERO, FOLLOWED BY OIL PRESSURE DECREASING INTO YELLOW BAND. A PRECAUTIONARY SHUTDOWN WAS COMMENCED AT XA16Z. WE DECLARED AN EMER WITH ZAU AND PROCEEDED TO DTW. DISPATCH AND MAINT CTL HAD BEEN CONSULTED AND CONCURRED WITH OUR ACTIONS. AN EMER WAS DECLARED TO DISPATCH AND THE FLT ATTENDANTS. AN UNEVENTFUL DSCNT, APCH, AND LNDG WERE MADE. WE REQUESTED RWY 22L (LONGEST) AND THAT EQUIP BE STANDING BY. WE CHOSE TO CONTINUE TO DTW TO LAND BECAUSE IT WAS JUST AS SAFE AS ANY OTHER ALTERNATE. WINDS AT ORD AND MKE WERE CONSIDERED AS TOO HIGH. APCH AND LNDG WERE UNEVENTFUL. SUPPLEMENTAL INFO FROM ACN 521604: THE ACFT PERFORMED JUST FINE ON 2 ENGS AND THE FLT WAS COMPLETED WITHOUT ANY DIFFICULTIES. IT WAS A ROUTINE PRECAUTIONARY SHUTDOWN THAT WAS ACCOMPLISHED BEFORE THE OIL PRESSURE ON THE #2 ENG DROPPED BELOW THE RED LINE. THIS WAS MY THIRD 2-ENG LNDG ON A DC10 AND THE ACFT ALWAYS FLEW JUST FINE ON 2 ENGS. IF NOT FOR THE PA INFORMING OUR PAX THAT WE HAD SHUT AN ENG DOWN AND THE FIRE TRUCKS ON LNDG, I DOUBT THAT THEY WOULD HAVE KNOWN THAT WE HAD ANY PROB AT ALL.

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.