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A MD80 crew reported that the right hydraulic system lost all fluid but the pump was turned off in time to maintain residual fluid. An emergency was declared and the aircraft returned to the departure airport where the landing gear was lower normally with the trapped hydraulic fluid.
| Attributes | |
| ACN | 897979 |
| Time | |
| Date | 201007 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Hydraulic Main System |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Shortly after level off at 31;000 ft the captain noticed the right hydraulic system quantity indicating zero quantity but normal pressure. We reviewed the hydraulic quantity low checklist in the QRH then notified ATC of our hydraulic quantity indication; declared an emergency and stated our intention to return to land. Enroute we reviewed the emergency checklist; contacted dispatch; contacted operations; reviewed the approach to runway and discussed overweight landing. ATC; arff and maintenance were made aware of our intentions to stop on the runway after landing while the gear was pinned and the gear door was raised. The captain flew a normal approach; made a normal landing and stopped on the runway. Maintenance pinned the gear; raised the doors; hooked us up to a tug and pulled us to a gate.
Original NASA ASRS Text
Title: A MD80 crew reported that the right hydraulic system lost all fluid but the pump was turned off in time to maintain residual fluid. An emergency was declared and the aircraft returned to the departure airport where the landing gear was lower normally with the trapped hydraulic fluid.
Narrative: Shortly after level off at 31;000 FT the Captain noticed the right hydraulic system quantity indicating zero quantity but normal pressure. We reviewed the hydraulic quantity low checklist in the QRH then notified ATC of our hydraulic quantity indication; declared an emergency and stated our intention to return to land. Enroute we reviewed the emergency checklist; contacted Dispatch; contacted Operations; reviewed the approach to runway and discussed overweight landing. ATC; ARFF and Maintenance were made aware of our intentions to stop on the runway after landing while the gear was pinned and the gear door was raised. The Captain flew a normal approach; made a normal landing and stopped on the runway. Maintenance pinned the gear; raised the doors; hooked us up to a tug and pulled us to a gate.
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.