Large transport has hydraulic failure on 'a' system. Emergency declared.

Attributes
ACN	246829
Time
Date	199307
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : atl
State Reference	GA
Altitude	msl bound lower : 33000 msl bound upper : 33000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : flight engineer pilot : atp
Experience	flight time last 90 days : 240 flight time total : 6800 flight time type : 240
ASRS Report	246829
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : cfi pilot : atp pilot : commercial pilot : instrument pilot : flight engineer
Experience	flight time last 90 days : 200 flight time total : 10000 flight time type : 1500
ASRS Report	246516
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem other
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

While at cruise at FL330, observed a system quantity 0, notified rest of crew and a pumps low pressure light started flickering. Used abnormal checklist to handle problem and notified company through arinc. Continued to cleveland uneventful conclusion to problem. Emergency was declared.

Original NASA ASRS Text

Title: LGT HAS HYD FAILURE ON 'A' SYS. EMER DECLARED.

Narrative: WHILE AT CRUISE AT FL330, OBSERVED A SYS QUANTITY 0, NOTIFIED REST OF CREW AND A PUMPS LOW PRESSURE LIGHT STARTED FLICKERING. USED ABNORMAL CHKLIST TO HANDLE PROB AND NOTIFIED COMPANY THROUGH ARINC. CONTINUED TO CLEVELAND UNEVENTFUL CONCLUSION TO PROB. EMER WAS DECLARED.

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.