<< >> NASA ASRS Report 1412768, December 2016

A300 flight crew reported they continued to their destination after experiencing a green hydraulic system fluid leak.

Attributes
ACN	1412768
Time
Date	201612
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	A300
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)
Experience	Flight Crew Last 90 Days 110 Flight Crew Total 8000 Flight Crew Type 2000
Person 2
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 200 Flight Crew Total 15000 Flight Crew Type 2000
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

During cruise we noticed the green hydraulic quantity gauge abnormally low. We checked ECAM hydraulic page and it confirmed the quantity low. We made a mark on the gauge and monitored the level. After confirmation of the green quantity decreasing further and review of systems manual and aom procedures associated with hydraulic reservoir low level and loss of hydraulic system low pressure we shut off the green engine hydraulic pumps. Monitoring green quantity showed fluid loss abated. We [advised ATC] as a precaution because we were not absolutely sure when we turned the pumps on again that the green system would work normally and we also had degraded capabilities due to having a single FMC. ATC vectored us for a long straight in; we used the time to configure to flaps 20; then turned on the green engine pumps; all systems were normal; finished configuring for landing and completed appropriate checklists. Landed and taxied in uneventfully. At no time did the amber low quantity triangle come on or the low pressure warning illuminate.

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Original NASA ASRS Text

Title: A300 flight crew reported they continued to their destination after experiencing a green hydraulic system fluid leak.

Narrative: During cruise we noticed the Green Hydraulic quantity gauge abnormally low. We checked ECAM Hydraulic page and it confirmed the quantity low. We made a mark on the gauge and monitored the level. After confirmation of the Green quantity decreasing further and review of Systems Manual and AOM Procedures associated with Hydraulic Reservoir Low Level and loss of Hydraulic System Low Pressure we shut off the Green Engine Hydraulic pumps. Monitoring Green Quantity showed fluid loss abated. We [advised ATC] as a precaution because we were not absolutely sure when we turned the pumps on again that the Green System would work normally and we also had degraded capabilities due to having a single FMC. ATC vectored us for a long straight in; we used the time to configure to flaps 20; then turned on the Green Engine Pumps; all systems were normal; finished configuring for landing and completed appropriate checklists. Landed and taxied in uneventfully. At no time did the amber low quantity triangle come on or the low pressure warning illuminate.

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.