Narrative:

Passing 10;500 feet on the arrival; slats were extended causing a pronounced roll. The right hydraulic system quantity decreased to almost zero. Pilot flying continued to fly and talk to ATC; while pilot monitoring ran the right hydraulic quantity low checklist. Emergency was declared while running checklist. We were able to configure the aircraft to gear down and flaps 40. An uneventful landing ensued. Safety vehicles followed our aircraft to the gate. A safety inspection was done by safety crew and maintenance. Emergency was terminated.

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Original NASA ASRS Text

Title: MD-82 pilot reports a pronounced roll when slats are extended; followed by the right hydraulic quantity going to zero. An emergency is declared and the crew is able to land normally with full flaps and slats.

Narrative: Passing 10;500 feet on the arrival; slats were extended causing a pronounced roll. The right hydraulic system quantity decreased to almost zero. Pilot Flying continued to fly and talk to ATC; while Pilot Monitoring ran the R HYD Quantity low checklist. Emergency was declared while running checklist. We were able to configure the aircraft to gear down and flaps 40. An uneventful landing ensued. Safety vehicles followed our aircraft to the gate. A safety inspection was done by Safety Crew and Maintenance. Emergency was terminated.

Data retrieved from NASA's ASRS site as of July 2013 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.