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Aircraft lost left hydraulic system fluid. Declared emergency and returned to airport for an overweight landing.
| Attributes | |
| ACN | 429762 |
| Time | |
| Date | 199902 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : bos.airport |
| State Reference | MA |
| Altitude | msl single value : 17000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 429.762 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : multi engine pilot : commercial |
| ASRS Report | 429761 |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | controller : issued new clearance flight crew : declared emergency flight crew : landed as precaution |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Altitude: 17000 ft. ATC facility: ZBW. Location: about 25 mi west of boston. Climbing out of boston at about 17000 ft, EICAS message of left hydraulic quantity displayed. Went through procedure, returned to boston, and declared an emergency. Used alternate flap and gear procedures for an overweight landing of 212000 pounds. Touchdown was normal and had to be towed back to the gate.
Original NASA ASRS Text
Title: ACFT LOST L HYD SYS FLUID. DECLARED EMER AND RETURNED TO ARPT FOR AN OVERWT LNDG.
Narrative: ALT: 17000 FT. ATC FACILITY: ZBW. LOCATION: ABOUT 25 MI W OF BOSTON. CLBING OUT OF BOSTON AT ABOUT 17000 FT, EICAS MESSAGE OF L HYD QUANTITY DISPLAYED. WENT THROUGH PROC, RETURNED TO BOSTON, AND DECLARED AN EMER. USED ALTERNATE FLAP AND GEAR PROCS FOR AN OVERWT LNDG OF 212000 LBS. TOUCHDOWN WAS NORMAL AND HAD TO BE TOWED BACK TO THE GATE.
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.