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An large transport had a flight control problem that required an immediate landing. The crash crew was alerted.
| Attributes | |
| ACN | 220839 |
| Time | |
| Date | 199209 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 6000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw tower : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : initial descent : approach landing other |
| Route In Use | departure other departure sid : sid enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 15000 flight time type : 7500 |
| ASRS Report | 220839 |
| 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 : overcame equipment problem flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
During climb through about 6000 ft, aircraft began to yaw and roll. After 3 rapid incidents of this type, the upper rudder yaw damper was disconnected and aircraft control returned to normal. Advised departure control we had experienced a flight control problem but anticipated no further problems. An emergency was not declared, but asked for the trucks to standby as a precaution. Landing at dfw was uneventful.
Original NASA ASRS Text
Title: AN LGT HAD A FLT CTL PROBLEM THAT REQUIRED AN IMMEDIATE LNDG. THE CRASH CREW WAS ALERTED.
Narrative: DURING CLB THROUGH ABOUT 6000 FT, ACFT BEGAN TO YAW AND ROLL. AFTER 3 RAPID INCIDENTS OF THIS TYPE, THE UPPER RUDDER YAW DAMPER WAS DISCONNECTED AND ACFT CTL RETURNED TO NORMAL. ADVISED DEP CTL WE HAD EXPERIENCED A FLT CTL PROBLEM BUT ANTICIPATED NO FURTHER PROBLEMS. AN EMER WAS NOT DECLARED, BUT ASKED FOR THE TRUCKS TO STANDBY AS A PRECAUTION. LNDG AT DFW WAS UNEVENTFUL.
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.