B757-200 suffers loss of left system hydraulic quantity. Declares emergency and diverts for repairs.

Attributes
ACN	727829
Time
Date	200702
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : zzzz.artcc
State Reference	FO
Altitude	msl single value : 32000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zzzz.artcc
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : other oceanic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	727829
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	727828
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : eicas
Resolutory Action	flight crew : diverted to another airport flight crew : declared emergency
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

Climbing through FL320 en route to FL380; the left hydraulic quantity EICAS message; left system 'res' light illuminated on overhead panel; and left hydraulic quantity indicated zero and both other hydraulic system were indicating normal. Captain declared an emergency; dispatch was notified; and we diverted. All appropriate procedures and checklists were accomplished. No further problems noted.

Original NASA ASRS Text

Title: B757-200 SUFFERS LOSS OF LEFT SYSTEM HYDRAULIC QUANTITY. DECLARES EMERGENCY AND DIVERTS FOR REPAIRS.

Narrative: CLBING THROUGH FL320 ENRTE TO FL380; THE L HYD QUANTITY EICAS MESSAGE; L SYS 'RES' LIGHT ILLUMINATED ON OVERHEAD PANEL; AND L HYD QUANTITY INDICATED ZERO AND BOTH OTHER HYD SYS WERE INDICATING NORMAL. CAPT DECLARED AN EMER; DISPATCH WAS NOTIFIED; AND WE DIVERTED. ALL APPROPRIATE PROCS AND CHKLISTS WERE ACCOMPLISHED. NO FURTHER PROBS NOTED.

Data retrieved from NASA's ASRS site as of January 2009 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.