Narrative:

After a normal landing we exited the runway and joined the taxiway where we lost hydraulic 'a' system pressure. The nose wheel steering was not responding so I brought the aircraft to a stop and complied with the QRH 'hydraulic system-a failure' and 'hydraulic pump low pressure' checklists.we advised ground and company operations of our situation and that we would need to be towed to the gate. The airport operations dispatched the emergency equipment. We started the APU and shut down engine number two because the hydraulic leak was apparently coming from the right side of the aircraft. I made contact with the flight attendant and made a PA to the passengers to let them know what was going on and that we would have to wait for a tug to tow us to the gate. We waited approximately 25 minutes for the tow crew to arrive. I made two additional pas to the passengers to reassure them that everything was fine; one was while a fireman in his silver fire suit inspected the right side of the aircraft.once the tow team arrived we shut down engine number one and were towed to the gate. Maintenance advised us that we had had a leak in one of the ground spoilers on the right side of the aircraft. I made an appropriate logbook discrepancy entry and advised dispatch. We were assigned another aircraft and continued our trip.

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Original NASA ASRS Text

Title: A B737-300 had to be towed to the gate after suffering the loss of 'A' system hydraulics following landing.

Narrative: After a normal landing we exited the runway and joined the taxiway where we lost hydraulic 'A' system pressure. The nose wheel steering was not responding so I brought the aircraft to a stop and complied with the QRH 'Hydraulic System-A Failure' and 'Hydraulic Pump Low Pressure' checklists.We advised Ground and Company Operations of our situation and that we would need to be towed to the gate. The airport operations dispatched the emergency equipment. We started the APU and shut down engine number two because the hydraulic leak was apparently coming from the right side of the aircraft. I made contact with the Flight Attendant and made a PA to the passengers to let them know what was going on and that we would have to wait for a tug to tow us to the gate. We waited approximately 25 minutes for the tow crew to arrive. I made two additional PAs to the passengers to reassure them that everything was fine; one was while a fireman in his silver fire suit inspected the right side of the aircraft.Once the tow team arrived we shut down engine number one and were towed to the gate. Maintenance advised us that we had had a leak in one of the ground spoilers on the right side of the aircraft. I made an appropriate logbook discrepancy entry and advised Dispatch. We were assigned another aircraft and continued our trip.

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.