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Flight crew of an light transport went around to evaluate failure of the main hydraulic system on final and then made a no flap landing.
| Attributes | |
| ACN | 288632 |
| Time | |
| Date | 199411 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : jfk |
| State Reference | NY |
| Altitude | msl bound lower : 2000 msl bound upper : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : jfk artcc : zoa |
| Operator | common carrier : air carrier |
| Make Model Name | SF 340A |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : cfi pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 300 flight time total : 12000 flight time type : 4000 |
| ASRS Report | 288632 |
| 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 other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
After selecting gear down, we heard a loud pop. Hydraulic quantity went from full to empty in about 2 seconds. Main accumulator pressure also dropped to zero. Emergency and inboard/outboard brake accumulators remained charged. We went around leaving the gear down and did the abnormal checklists. A no flap landing was made. After clearing the runway, port authority/authorized reported hydraulic fluid leaking from nose wheel well area. We shut down there on taxiway and bussed the passenger in to the terminal.
Original NASA ASRS Text
Title: FLC OF AN LTT WENT AROUND TO EVALUATE FAILURE OF THE MAIN HYD SYS ON FINAL AND THEN MADE A NO FLAP LNDG.
Narrative: AFTER SELECTING GEAR DOWN, WE HEARD A LOUD POP. HYD QUANTITY WENT FROM FULL TO EMPTY IN ABOUT 2 SECONDS. MAIN ACCUMULATOR PRESSURE ALSO DROPPED TO ZERO. EMER AND INBOARD/OUTBOARD BRAKE ACCUMULATORS REMAINED CHARGED. WE WENT AROUND LEAVING THE GEAR DOWN AND DID THE ABNORMAL CHKLISTS. A NO FLAP LNDG WAS MADE. AFTER CLRING THE RWY, PORT AUTH RPTED HYD FLUID LEAKING FROM NOSE WHEEL WELL AREA. WE SHUT DOWN THERE ON TXWY AND BUSSED THE PAX IN TO THE TERMINAL.
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.