<< >> NASA ASRS Report 221387, September 1992

An large transport had a system 'a' hydraulic failure. They declared an emergency and landed safely at their original destination.

Attributes
ACN	221387
Time
Date	199209
Day	Fri
Place
Locale Reference	atc facility : mgm airport : ewr
State Reference	AL
Altitude	msl bound lower : 31000 msl bound upper : 31000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : ztl artcc : zla
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 240 flight time total : 12000 flight time type : 5000
ASRS Report	221387
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft

Narrative:

Noticed 'a' system fluid low pressure light flickering. Checked quantity and observed at 0. Performed abnormal checklists and notified company and ATC. We declared an emergency formally with washington center when they indicated they were advised by company. Chose lower altitude and speed and continued on to our destination of ewr. Made a successful emergency landing at ewr to a full stop. We were towed from the runway to our gate without further incident. We had plenty of time to work the problem and company procedures are very precise and clear. The flight engineer had also recently had the same problem, so was an invaluable help. I worked with him while the first officer assumed flying duties. This worked very well, and with inputs from both the first officer and flight engineer, we brought it to a successful conclusion. Crew coordination worked very well because we had a good cockpit atmosphere which really is essential to working together.

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Original NASA ASRS Text

Title: AN LGT HAD A SYS 'A' HYD FAILURE. THEY DECLARED AN EMER AND LANDED SAFELY AT THEIR ORIGINAL DEST.

Narrative: NOTICED 'A' SYS FLUID LOW PRESSURE LIGHT FLICKERING. CHKED QUANTITY AND OBSERVED AT 0. PERFORMED ABNORMAL CHKLISTS AND NOTIFIED COMPANY AND ATC. WE DECLARED AN EMER FORMALLY WITH WASHINGTON CTR WHEN THEY INDICATED THEY WERE ADVISED BY COMPANY. CHOSE LOWER ALT AND SPD AND CONTINUED ON TO OUR DEST OF EWR. MADE A SUCCESSFUL EMER LNDG AT EWR TO A FULL STOP. WE WERE TOWED FROM THE RWY TO OUR GATE WITHOUT FURTHER INCIDENT. WE HAD PLENTY OF TIME TO WORK THE PROBLEM AND COMPANY PROCS ARE VERY PRECISE AND CLR. THE FE HAD ALSO RECENTLY HAD THE SAME PROBLEM, SO WAS AN INVALUABLE HELP. I WORKED WITH HIM WHILE THE FO ASSUMED FLYING DUTIES. THIS WORKED VERY WELL, AND WITH INPUTS FROM BOTH THE FO AND FE, WE BROUGHT IT TO A SUCCESSFUL CONCLUSION. CREW COORD WORKED VERY WELL BECAUSE WE HAD A GOOD COCKPIT ATMOSPHERE WHICH REALLY IS ESSENTIAL TO WORKING TOGETHER.

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.