Narrative:

Approaching cruise altitude; engine #1 oil quantity indication dropped to 2.5 qts; engine oil pressure was within limits. Engine was kept at idle power and flight diverted for a precautionary landing.

Google
 

Original NASA ASRS Text

Title: A319 Captain experiences low engine oil quantity approaching cruise altitude and elects to divert to a suitable airport for a precautionary landing.

Narrative: Approaching cruise altitude; Engine #1 oil quantity indication dropped to 2.5 QTS; Engine oil pressure was within limits. Engine was kept at idle power and flight diverted for a precautionary landing.

Data retrieved from NASA's ASRS site as of April 2012 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.