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B757-200 developed hydraulic system leak on departure. Pumps turned off with slight amount of fluid remaining. Emergency declared. Returned for landing. Gear extended normally but flaps extended using altitude flap extension.
| Attributes | |
| ACN | 624297 |
| Time | |
| Date | 200407 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | navaid : zzz.bcstn |
| Altitude | msl single value : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : l30.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 624297 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | other flight crewa |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
Departed ZZZ. Climbing through 7000 ft, status message left hydraulic quantity. Checklist for hydraulic quantity completed. Left pumps turned off at .52. ATC informed of return to ZZZ and emergency declared. Gear extended with remaining fluid. Hydraulic system pressure checklist completed. Flaps extended with altitude flap operation. Landed ZZZ. Fire crew confirmed large leak left wheelwell. Aircraft towed to gate.
Original NASA ASRS Text
Title: B757-200 DEVELOPED HYD SYS LEAK ON DEP. PUMPS TURNED OFF WITH SLIGHT AMOUNT OF FLUID REMAINING. EMER DECLARED. RETURNED FOR LNDG. GEAR EXTENDED NORMALLY BUT FLAPS EXTENDED USING ALT FLAP EXTENSION.
Narrative: DEPARTED ZZZ. CLBING THROUGH 7000 FT, STATUS MESSAGE L HYD QUANTITY. CHKLIST FOR HYD QUANTITY COMPLETED. L PUMPS TURNED OFF AT .52. ATC INFORMED OF RETURN TO ZZZ AND EMER DECLARED. GEAR EXTENDED WITH REMAINING FLUID. HYD SYS PRESSURE CHKLIST COMPLETED. FLAPS EXTENDED WITH ALT FLAP OP. LANDED ZZZ. FIRE CREW CONFIRMED LARGE LEAK L WHEELWELL. ACFT TOWED TO 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.