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Flight crew of a british jetstream 4100, BA41, aborted takeoff due to the right engine torque indicator fluctuation. They taxied back to gate for maintenance examination of problem.
| Attributes | |
| ACN | 411487 |
| Time | |
| Date | 199808 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : bdl |
| State Reference | CT |
| 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 | Jetstream 41 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : takeoff other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 110 flight time total : 9500 flight time type : 2000 |
| ASRS Report | 411487 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : rejected takeoff other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
During the takeoff roll, the right engine torque indications began to fluctuate. The takeoff was aborted. Initial troubleshooting thought that the right RPM lever was not at the full takeoff range and that the takeoff warning system did not alarm. A second attempt was made ensuring the RPM levers were fully tightened. This takeoff was also aborted for torque fluctuations. We returned to the gate. Maintenance requested an engine run-up and determined the right engine torque indicator had failed. The torque indicator was deferred via maintenance. Dispatch was notified and the release was amended.
Original NASA ASRS Text
Title: FLC OF A BRITISH JETSTREAM 4100, BA41, ABORTED TKOF DUE TO THE R ENG TORQUE INDICATOR FLUCTUATION. THEY TAXIED BACK TO GATE FOR MAINT EXAMINATION OF PROB.
Narrative: DURING THE TKOF ROLL, THE R ENG TORQUE INDICATIONS BEGAN TO FLUCTUATE. THE TKOF WAS ABORTED. INITIAL TROUBLESHOOTING THOUGHT THAT THE R RPM LEVER WAS NOT AT THE FULL TKOF RANGE AND THAT THE TKOF WARNING SYS DID NOT ALARM. A SECOND ATTEMPT WAS MADE ENSURING THE RPM LEVERS WERE FULLY TIGHTENED. THIS TKOF WAS ALSO ABORTED FOR TORQUE FLUCTUATIONS. WE RETURNED TO THE GATE. MAINT REQUESTED AN ENG RUN-UP AND DETERMINED THE R ENG TORQUE INDICATOR HAD FAILED. THE TORQUE INDICATOR WAS DEFERRED VIA MAINT. DISPATCH WAS NOTIFIED AND THE RELEASE WAS AMENDED.
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.