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Emb-175 flight crew reported rejecting the takeoff at 90 knots after experiencing an uncommanded left yaw. Control was regained and after returning to the gate for a maintenance inspection; the crew departed normally in the same aircraft.
| Attributes | |
| ACN | 1411370 |
| Time | |
| Date | 201612 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | EMB ERJ 170/175 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Ground Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence |
Narrative:
On the takeoff roll as we passed 90 knots we experienced a momentary loss of control; the airplane pulled hard to the left. I had to apply a lot of right rudder in order to keep the airplane on the runway.as I was fighting to keep the airplane on the runway I called for the abort. The abort was executed in accordance with aircraft operating manual (aom). We pulled off the runway and asked city operations to inspect our tires; my first thought was that we had blown a tire. After getting our tires inspected and verifying brake temperature I called our dispatcher and spoke with our chief pilot in accordance with fom; we then coordinated a gate return. I spoke with maintenance and did the required logbook entry.
Original NASA ASRS Text
Title: EMB-175 flight crew reported rejecting the takeoff at 90 knots after experiencing an uncommanded left yaw. Control was regained and after returning to the gate for a maintenance inspection; the crew departed normally in the same aircraft.
Narrative: On the takeoff roll as we passed 90 knots we experienced a momentary loss of control; the airplane pulled hard to the left. I had to apply a lot of right rudder in order to keep the airplane on the runway.As I was fighting to keep the airplane on the runway I called for the abort. The abort was executed in accordance with Aircraft Operating Manual (AOM). We pulled off the runway and asked City Operations to inspect our tires; my first thought was that we had blown a tire. After getting our tires inspected and verifying brake temperature I called our dispatcher and spoke with our Chief Pilot in accordance with FOM; we then coordinated a gate return. I spoke with maintenance and did the required logbook entry.
Data retrieved from NASA's ASRS site 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.