Narrative:

Crew oxygen dropped to zero en route. Diverted to mci for service and continued. Did not declare emergency but requested priority for a descent to 10000 ft.

Google
 

Original NASA ASRS Text

Title: AN MD80 FLT CREW HAD TO DIVERT DUE TO LOSS OF FLT CREW OXYGEN.

Narrative: CREW OXYGEN DROPPED TO ZERO ENRTE. DIVERTED TO MCI FOR SVC AND CONTINUED. DID NOT DECLARE EMER BUT REQUESTED PRIORITY FOR A DSCNT TO 10000 FT.

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.