An A320 landing gear door actuator hydraulic fitting failed as the gear was being extended pumping the green system hydraulic reservoir empty. An emergency was declared followed by an uneventful landing and tow to the gate.
Synopsis
An A320 landing gear door actuator hydraulic fitting failed as the gear was being extended pumping the green system hydraulic reservoir empty. An emergency was declared followed by an uneventful landing and tow to the gate.
Narrative
During the approach phase of flight: approximately 10 seconds after landing gear extension; ECAM alert: GREEN HYDRAULIC RESERVOIR LOW PRESSURE. We executed a go-around; advised ATC that we had a hydraulic problem and needed delay vectors; and then would return for landing. We performed QRH; ECAM Actions; and QRH follow up. We made a normal landing on Runway X; having advised the flight attendants of our situation; and that we would make a precautionary landing. We advised ATC we were ready to land; and they advised us that Crash Fire Rescue was in position. We were vectored to the localizer Runway X; and then cleared for a visual approach. The Captain made a smooth landing; and brought the aircraft to a stop on the runway. The emergency crew immediately queried us for our status. We advised that the aircraft was secure; and that we would need a tow to the gate. We received a tow to gate. Maintenance technicians advised us that they found a blown hydraulic fitting on the right main gear door actuator.
Second reporter narrative
Upon calling for the landing gear extension; we received an ECAM warning on the green hydraulic system. We had a reservoir low level and then a green hydraulic low pressure warning. I commanded a go around and we notified the tower of our situation. The gear of course could not be retracted. We applied the land distance procedures and elected to use the longest runway. We notified company via ACARS and told them to have a tug standing by for a tow to the gate. Approx. 15-20 minutes went by and we completed the QRH and asked for vectors for a long final. I resumed command as the flying pilot and we configured the aircraft for landing. The landing was uneventful and stopped on the runway. We needed no further assistance from the emergency equipment and released them. We started the APU and shut down the engines. The tug crew asked for the gear pins and we gave them to them and they hooked up the tug and towed us. Upon inspection of the aircraft; it was apparent that a hydraulic hose on the right gear door actuator failed.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.