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A B757-200 reports when thrust reversers were selected after landing the left system actuator failed and caused loss of left hydraulic system.
| Attributes | |
| ACN | 695341 |
| Time | |
| Date | 200604 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : mco.airport |
| State Reference | FL |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 695341 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper documentation |
| Independent Detector | aircraft equipment other aircraft equipment : left reverser indication other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
When reverse thrust was selected after landing; one of the landing actuators in the left reverse system failed; causing all the left system hydraulic fluid to dump overboard. We cleared the runway; notified the tower of the loss and to see if they could observe any problem to the aircraft. As soon as possible; we turned off the left electric hydraulic pump and shut down the left engine to prevent further fluid loss and/or fire. We also notified the ground controller and had them observe the aircraft for smoke in case the leak was in the brake system. We were fairly certain that it was the left thrust reverser; and exercised caution as we taxied and approached the gate. We notified the company operations and maintenance prior to taxi to the gate and arranged a tow-in. We notified dispatch and stayed with maintenance until we ran out of duty time. One of the actuators had indeed failed and was replaced that night by fleet maintenance.
Original NASA ASRS Text
Title: A B757-200 RPTS WHEN THRUST REVERSERS WERE SELECTED AFTER LNDG THE L SYS ACTUATOR FAILED AND CAUSED LOSS OF L HYD SYS.
Narrative: WHEN REVERSE THRUST WAS SELECTED AFTER LNDG; ONE OF THE LNDG ACTUATORS IN THE L REVERSE SYS FAILED; CAUSING ALL THE L SYS HYD FLUID TO DUMP OVERBOARD. WE CLRED THE RWY; NOTIFIED THE TWR OF THE LOSS AND TO SEE IF THEY COULD OBSERVE ANY PROB TO THE ACFT. ASAP; WE TURNED OFF THE L ELECTRIC HYD PUMP AND SHUT DOWN THE L ENG TO PREVENT FURTHER FLUID LOSS AND/OR FIRE. WE ALSO NOTIFIED THE GND CTLR AND HAD THEM OBSERVE THE ACFT FOR SMOKE IN CASE THE LEAK WAS IN THE BRAKE SYS. WE WERE FAIRLY CERTAIN THAT IT WAS THE L THRUST REVERSER; AND EXERCISED CAUTION AS WE TAXIED AND APCHED THE GATE. WE NOTIFIED THE COMPANY OPS AND MAINT PRIOR TO TAXI TO THE GATE AND ARRANGED A TOW-IN. WE NOTIFIED DISPATCH AND STAYED WITH MAINT UNTIL WE RAN OUT OF DUTY TIME. ONE OF THE ACTUATORS HAD INDEED FAILED AND WAS REPLACED THAT NIGHT BY FLEET MAINT.
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.