Narrative:

At top of descent the left engine hydraulic pump light came on. Accomplished the checklist. Then noticed left system hydraulic fluid decreasing so turned off left electric pump to save fluid. Declared an emergency at that time. Reviewed alternate flaps and gear extension checklists. Landing flaps and gear extension normal with electric pump. Lost nose steering after exiting runway; towed to gate.

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Original NASA ASRS Text

Title: A B757 left engine hydraulic pump low pressure light illuminated so the pump was turned OFF and because the fluid continued decreasing the electric pump was also turned off to conserve fluid for gear and flap extension. An emergency was declared.

Narrative: At top of descent the left engine hydraulic pump light came ON. Accomplished the checklist. Then noticed left system hydraulic fluid decreasing so turned OFF left electric pump to save fluid. Declared an emergency at that time. Reviewed alternate flaps and gear extension checklists. Landing flaps and gear extension normal with electric pump. Lost nose steering after exiting runway; towed to gate.

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.