Air carrier large transport experiences loss of 'a' hydraulic system.

Attributes
ACN	136270
Time
Date	199002
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ord
State Reference	IL
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Mixed
Light	Dusk
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 23000 flight time type : 10000
ASRS Report	136270
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Landed aircraft with loss of 'a' system hydraulic. Cranked gear down, flaps electric. Everything worked. Saw hydraulic gauge get low. Low level light never illuminated.

Original NASA ASRS Text

Title: ACR LGT EXPERIENCES LOSS OF 'A' HYDRAULIC SYSTEM.

Narrative: LANDED ACFT WITH LOSS OF 'A' SYS HYD. CRANKED GEAR DOWN, FLAPS ELECTRIC. EVERYTHING WORKED. SAW HYD GAUGE GET LOW. LOW LEVEL LIGHT NEVER ILLUMINATED.

Data retrieved from NASA's ASRS site as of July 2007 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.