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A B767 first officer reported a center hydraulic system leak resulting in a return to the departure airport for an overweight landing.
| Attributes | |
| ACN | 1455918 |
| Time | |
| Date | 201706 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Route In Use | Oceanic |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic System |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 250 Flight Crew Total 12000 Flight Crew Type 750 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
In bunk; got told by flight attendant to go back to cockpit as we were returning to the departure airport. When returned was informed by captain and flying first officer that we had lost center hydraulics. Pressure was zero due pumps turned off and quantity was .16 on screen. Assisted on hyd qty and loss of C hyd sys press checklists. Alternate flaps; alternate gear extension; along with a little fuel dump (3K) to lower landing weight. Was in relief pilot seat for over-weight landing.
Original NASA ASRS Text
Title: A B767 First Officer reported a center hydraulic system leak resulting in a return to the departure airport for an overweight landing.
Narrative: In bunk; got told by Flight Attendant to go back to cockpit as we were returning to the departure airport. When returned was informed by Captain and flying First Officer that we had lost Center hydraulics. Pressure was zero due pumps turned off and quantity was .16 on screen. Assisted on Hyd Qty and Loss of C Hyd Sys press checklists. Alternate flaps; alternate gear extension; along with a little fuel dump (3K) to lower landing weight. Was in relief pilot seat for over-weight landing.
Data retrieved from NASA's ASRS site 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.