<< >> NASA ASRS Report 1004338, April 2012

A B757's center hydraulic quantity gauge dropped to .23 so the QRH was completed; an emergency declared and the flight diverted. A faulty quantity gauge was found.

Attributes
ACN	1004338
Time
Date	201204
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Cruise
Flight Plan	IFR
Component
Aircraft Component	Indicating and Warning - Hydraulics
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

Center hydraulic low quantity indication down to .23; accomplished QRH resulting in turning off center pumps. Later r-yaw damper light came on. QRH had us turn off r-yaw damper. Declared emergency as per fom and had emergency equipment standing by. Short final turned center hydraulic back on as per QRH. Landing normal; rollout normal; released emergency trucks and taxied to gate with a truck to follow. Inspection found no leak a potential transmitter or indication problem.

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Original NASA ASRS Text

Title: A B757's Center Hydraulic Quantity gauge dropped to .23 so the QRH was completed; an emergency declared and the flight diverted. A faulty Quantity Gauge was found.

Narrative: Center Hydraulic Low Quantity indication down to .23; accomplished QRH resulting in turning off Center pumps. Later R-Yaw Damper light came on. QRH had us turn OFF R-Yaw Damper. Declared Emergency as per FOM and had emergency equipment standing by. Short final turned Center Hydraulic back on as per QRH. Landing normal; rollout normal; released emergency trucks and taxied to gate with a truck to follow. Inspection found no leak a potential transmitter or indication problem.

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.