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B757-200 flight crew suffered momentary loss of control following anomalous auto system responses to main gear touchdown.
| Attributes | |
| ACN | 844769 |
| Time | |
| Date | 200907 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Landing |
| Component | |
| Aircraft Component | Flight Dynamics Navigation and Safety |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 14000 Flight Crew Type 1000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Inflight Event / Encounter Loss Of Aircraft Control |
Narrative:
Wings level upon touchdown; very soft landing. As soon as mains touched down right wing dropped and auto brakes two engaged; then the aircraft veered off to the right. I applied full left rudder to maintain directional control. Left wing lowered to that of right wing. Remainder of landing was normal. Also on takeoff and landing we had momentary numerous EICAS messages. Landing gears were recently changed. Previous crews wrote up momentary EICAS warnings on takeoff and landings. I contacted maintenance control.
Original NASA ASRS Text
Title: B757-200 flight crew suffered momentary loss of control following anomalous auto system responses to main gear touchdown.
Narrative: Wings level upon touchdown; very soft landing. As soon as mains touched down right wing dropped and auto brakes two engaged; then the aircraft veered off to the right. I applied full left rudder to maintain directional control. Left wing lowered to that of right wing. Remainder of landing was normal. Also on takeoff and landing we had momentary numerous EICAS messages. Landing gears were recently changed. Previous crews wrote up momentary EICAS warnings on takeoff and landings. I contacted Maintenance Control.
Data retrieved from NASA's ASRS site as of April 2012 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.