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B767-300ER first officer reported diverting to an alternate airport after experiencing the loss of the center hydraulic system.
| Attributes | |
| ACN | 1610719 |
| Time | |
| Date | 201901 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic Main System |
| Person 1 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
While acting as the [relief pilot] and while on my rest period I was awakened by the number 1 flight attendant and informed that the captain was requesting my assistance in the flight deck as soon as possible in reference to an emergency. After returning to the flight deck; the captain informed me that the aircraft was rapidly losing hydraulic fluid from the center hydraulic system and that we were diverting to [a nearby alternate]. Landing gear was lowered at FL200 and within all operational limitations before the complete loss of the center hydraulic system. Aircraft was configured for landing approximately 40 miles from [the alternate] (flaps 20 landing) and all QRH checklist and emergency procedures were followed. The captain executed a very soft overweight landing/touch down in VFR conditions. After the captain stopped the aircraft on the runway; both engines were shut down and [ground personnel] inspected the aircraft. After the aircraft was found to be safe it was towed to a hard stand where all of the passengers and crew members were deplaned without further incident. Maintenance personnel arrived on scene and [were] informed of the above mentioned incident.
Original NASA ASRS Text
Title: B767-300ER First Officer reported diverting to an alternate airport after experiencing the loss of the Center Hydraulic System.
Narrative: While acting as the [relief pilot] and while on my rest period I was awakened by the number 1 FA and informed that the Captain was requesting my assistance in the flight deck ASAP in reference to an emergency. After returning to the flight deck; the Captain informed me that the aircraft was rapidly losing hydraulic fluid from the Center Hydraulic System and that we were diverting to [a nearby alternate]. Landing gear was lowered at FL200 and within all operational limitations before the complete loss of the center hydraulic system. Aircraft was configured for landing approximately 40 miles from [the alternate] (Flaps 20 landing) and all QRH checklist and emergency procedures were followed. The Captain executed a very soft overweight landing/touch down in VFR conditions. After the Captain stopped the aircraft on the runway; both engines were shut down and [ground personnel] inspected the aircraft. After the aircraft was found to be safe it was towed to a hard stand where all of the passengers and crew members were deplaned without further incident. Maintenance personnel arrived on scene and [were] informed of the above mentioned incident.
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.