B737-300 lost all fluid in the 'a' hydraulic system. An emergency was declared; all checklists were accomplished; and flight returned for emergency landing.

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Attributes
ACN	766830
Time
Date	200712
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : zzz.airport
State Reference	US
Altitude	msl single value : 300
Aircraft 1
Controlling Facilities	tower : zzz.tower tower : whp.tower
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	climbout : takeoff
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain observation : company check pilot oversight : pic
Experience	flight time last 90 days : 250 flight time total : 11000 flight time type : 6600
ASRS Report	766830
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer observation : company check pilot
Experience	flight time last 90 days : 240 flight time total : 6000 flight time type : 2000
ASRS Report	766824
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On takeoff right after gear retraction; lost all hydraulic quantity in 'a' system due to broken hydraulic line. Accomplished all checklist procedures and landed normally about 45 mins after takeoff. Nose gear steering worked during taxi in due to some fluid remaining in reservoir. Emergency declared. Normal parking and shutdown.

Original NASA ASRS Text

Title: B737-300 LOST ALL FLUID IN THE 'A' HYD SYSTEM. AN EMER WAS DECLARED; ALL CHECKLISTS WERE ACCOMPLISHED; AND FLT RETURNED FOR EMER LNDG.

Narrative: ON TKOF RIGHT AFTER GEAR RETRACTION; LOST ALL HYD QUANTITY IN 'A' SYS DUE TO BROKEN HYD LINE. ACCOMPLISHED ALL CHKLIST PROCS AND LANDED NORMALLY ABOUT 45 MINS AFTER TKOF. NOSE GEAR STEERING WORKED DURING TAXI IN DUE TO SOME FLUID REMAINING IN RESERVOIR. EMER DECLARED. NORMAL PARKING AND SHUTDOWN.

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.