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A B777 EICAS altered low center hydraulic quantity. Due to thunderstorms at the filed destination the flight diverted to an enroute airport; declared an emergency and landed safely.
| Attributes | |
| ACN | 912012 |
| Time | |
| Date | 201009 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Hydraulic Main System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Enroute during cruise flight the low center hydraulic quantity EICAS message appeared. Confirmed the quantity was low and completed required checklist. After contacting dispatch and maintenance and considering heavy thunderstorm activity surrounding and our planned destination; elected to declare an emergency and proceeded to an alternate. The approach and landing were unremarkable. Stopped on the runway to have airfield rescue and fire fighting check for fluid and fire. None reported. Checked operation of nose wheel steering and proceeded to the gate.
Original NASA ASRS Text
Title: A B777 EICAS altered LOW CENTER HYD QUANTITY. Due to thunderstorms at the filed destination the flight diverted to an enroute airport; declared an emergency and landed safely.
Narrative: Enroute during cruise flight the LOW CENTER HYD Quantity EICAS message appeared. Confirmed the quantity was low and completed required checklist. After contacting Dispatch and Maintenance and considering heavy thunderstorm activity surrounding and our planned destination; elected to declare an emergency and proceeded to an alternate. The approach and landing were unremarkable. Stopped on the runway to have Airfield Rescue and Fire Fighting check for fluid and fire. None reported. Checked operation of nose wheel steering and proceeded to the 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.