Narrative:

Company maintenance completed wheel and oil check in phl. Both engine oil quantities indicated 3 plus gallons. Upon level off, #2 oil quantity was decreasing. Initiated approach in yul with #2 oil quantity showing 1 gallon. At gate, first officer and contract mechanic found both engine oil caps off and engine oil coating inside engine cowling.

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Original NASA ASRS Text

Title: ACR MLG ACFT LOST MAJOR AMOUNT OF BOTH ENG OIL CAPACITY DURING SCHEDULED FLT DUE COMPANY MAINT PERSONNEL LEAVING BOTH ENG OIL CAPS OFF DURING PREFLT SVCING.

Narrative: COMPANY MAINT COMPLETED WHEEL AND OIL CHK IN PHL. BOTH ENG OIL QUANTITIES INDICATED 3 PLUS GALLONS. UPON LEVEL OFF, #2 OIL QUANTITY WAS DECREASING. INITIATED APCH IN YUL WITH #2 OIL QUANTITY SHOWING 1 GALLON. AT GATE, FO AND CONTRACT MECH FOUND BOTH ENG OIL CAPS OFF AND ENG OIL COATING INSIDE ENG COWLING.

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.