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Loss of hydraulic-a system leads to runway excursion on landing for air carrier medium large transport at sjc.
| Attributes | |
| ACN | 160784 |
| Time | |
| Date | 199010 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sjc |
| State Reference | CA |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | ground other : taxi landing other other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time total : 16000 |
| ASRS Report | 160784 |
| 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 anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : declared emergency none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During cruise the hydraulic-a system failed. The abnormal checklist was completed. Sjc operations was notified and asked to send a tug to the end of the runway. The tower was advised that we might have to be towed clear of the runway. The remaining cruise, descent, approach and landing were uneventful. T/D and the initial rollout were on centerline. During the final rollout I was unable to keep the aircraft on the runway using right engine reverse and right brake. The aircraft left the left side of the runway at a slow speed. The aircraft was towed to the gate with no apparent damage from the landing.
Original NASA ASRS Text
Title: LOSS OF HYDRAULIC-A SYSTEM LEADS TO RWY EXCURSION ON LNDG FOR ACR MLG AT SJC.
Narrative: DURING CRUISE THE HYD-A SYS FAILED. THE ABNORMAL CHKLIST WAS COMPLETED. SJC OPS WAS NOTIFIED AND ASKED TO SEND A TUG TO THE END OF THE RWY. THE TWR WAS ADVISED THAT WE MIGHT HAVE TO BE TOWED CLR OF THE RWY. THE REMAINING CRUISE, DSNT, APCH AND LNDG WERE UNEVENTFUL. T/D AND THE INITIAL ROLLOUT WERE ON CENTERLINE. DURING THE FINAL ROLLOUT I WAS UNABLE TO KEEP THE ACFT ON THE RWY USING RIGHT ENG REVERSE AND RIGHT BRAKE. THE ACFT LEFT THE LEFT SIDE OF THE RWY AT A SLOW SPD. THE ACFT WAS TOWED TO THE GATE WITH NO APPARENT DAMAGE FROM THE LNDG.
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.