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A B767 developed a center hydraulic system leak and; in order to conserve fluid; turned the pumps off at cruise but declared an emergency. They turned them back on for a normal landing using the remaining fluid.
| Attributes | |
| ACN | 1055179 |
| Time | |
| Date | 201212 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| 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 | Captain |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Engineer Flight Crew Flight Instructor |
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 12000 Flight Crew Type 350 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
Hydraulic quantity low warning in C hydraulic system. [We] turned off center pumps en route to conserve fluid as per maintenance control. Turned pumps back on to configure for approach and landing. Very low fluid indications; but all systems operated normally. Approach and landing [were] normal. Aircraft checked for fluid leaks or external damage by fire and rescue; given the all clear. Completed 'after landing' checks and taxied to gate.
Original NASA ASRS Text
Title: A B767 developed a Center Hydraulic System leak and; in order to conserve fluid; turned the pumps OFF at cruise but declared an emergency. They turned them back ON for a normal landing using the remaining fluid.
Narrative: Hydraulic Quantity Low Warning in C Hydraulic System. [We] turned off center pumps en route to conserve fluid as per Maintenance Control. Turned pumps back on to configure for approach and landing. Very low fluid indications; but all systems operated normally. Approach and landing [were] normal. Aircraft checked for fluid leaks or external damage by Fire and Rescue; given the all clear. Completed 'After Landing' checks and taxied to gate.
Data retrieved from NASA's ASRS site as of July 2013 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.