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Crj-900 flight crew experiences a possible brake application during takeoff with the first officer flying; who denies touching the brakes. When a second more vigorus application is felt the captain rejects the takeoff.
| Attributes | |
| ACN | 1221641 |
| Time | |
| Date | 201411 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Regional Jet 900 (CRJ900) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Component | |
| Aircraft Component | Normal Brake System |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Commercial |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
On the takeoff roll; as the pilot flying; just prior to 80 knots both myself and the captain felt a jolt that seemed like a brake had engaged. I was asked if I had my feet on the brakes; to which I responded no. Shortly after the brief discussion we encountered a more pronounced sensation that was longer in duration. At that time the captain assumed control of the airplane an accomplished the rejected takeoff. I contacted tower to advise of the rejected takeoff and; then spoke with the flight attendants to advise of the situation. We then returned to the gate and deplaned normally.
Original NASA ASRS Text
Title: CRJ-900 flight crew experiences a possible brake application during takeoff with the First Officer flying; who denies touching the brakes. When a second more vigorus application is felt the Captain rejects the takeoff.
Narrative: On the takeoff roll; as the pilot flying; just prior to 80 knots both myself and the captain felt a jolt that seemed like a brake had engaged. I was asked if I had my feet on the brakes; to which I responded no. Shortly after the brief discussion we encountered a more pronounced sensation that was longer in duration. At that time the captain assumed control of the airplane an accomplished the rejected takeoff. I contacted tower to advise of the rejected takeoff and; then spoke with the flight attendants to advise of the situation. We then returned to the gate and deplaned normally.
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.