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A B767-200 in cruise at FL370 declared an emergency and landed overweight at destination airport due to loss of left hydraulic system pressure and quantity. Found failed hydraulic line in left pylon.
| Attributes | |
| ACN | 693696 |
| Time | |
| Date | 200604 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 37000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B767-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 693696 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : l press and qty indicator other flight crewa other flight crewb |
| Resolutory Action | flight crew : declared emergency flight crew : diverted to another airport |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
1 hour and 30 minutes out; we had a total loss of left hydraulic quantity. Contacted dispatch for desired divert airport for repairs. Proceeded to ZZZ; landed overweight (softly). Declared an emergency and remainder of flight to and landing at ZZZ uneventful.callback conversation with reporter revealed the following information: the reporter stated the left hydraulic system loss of pressure and quantity was caused by hydraulic line located in the left pylon that failed from chafing on a support bracket. Emergency was declared and an overweight landing was accomplished.
Original NASA ASRS Text
Title: A B767-200 IN CRUISE AT FL370 DECLARED AN EMER AND LANDED OVERWT AT DEST ARPT DUE TO LOSS OF L HYD SYSTEM PRESSURE AND QUANTITY. FOUND FAILED HYD LINE IN L PYLON.
Narrative: 1 HOUR AND 30 MINUTES OUT; WE HAD A TOTAL LOSS OF L HYD QUANTITY. CONTACTED DISPATCH FOR DESIRED DIVERT ARPT FOR REPAIRS. PROCEEDED TO ZZZ; LANDED OVERWT (SOFTLY). DECLARED AN EMER AND REMAINDER OF FLT TO AND LNDG AT ZZZ UNEVENTFUL.CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE L HYD SYSTEM LOSS OF PRESSURE AND QUANTITY WAS CAUSED BY HYD LINE LOCATED IN THE L PYLON THAT FAILED FROM CHAFING ON A SUPPORT BRACKET. EMER WAS DECLARED AND AN OVERWT LNDG WAS ACCOMPLISHED.
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.