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B757-200 captain reported a rejected takeoff due to multiple erratic aircraft indications on takeoff roll.
| Attributes | |
| ACN | 1523440 |
| Time | |
| Date | 201803 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZZ.Airport |
| State Reference | FO |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Flight Deck / Cabin / Aircraft Event Other / Unknown |
Narrative:
During takeoff roll; immediately after setting takeoff power; captain's airspeed and altitude indications started varying greatly and rudder ratio was annunciated in the EICAS and on overhead panel. A rejected takeoff maneuver was accomplished; commencing at approximately 100 KIAS on the first officer's indicators. We exited the runway; referenced the QRH; and taxied back to the chocks. Maintenance said it may be an air data computer failure.
Original NASA ASRS Text
Title: B757-200 Captain reported a rejected takeoff due to multiple erratic aircraft indications on takeoff roll.
Narrative: During takeoff roll; immediately after setting takeoff power; Captain's airspeed and altitude indications started varying greatly and Rudder Ratio was annunciated in the EICAS and on overhead panel. A rejected takeoff maneuver was accomplished; commencing at approximately 100 KIAS on the First Officer's indicators. We exited the runway; referenced the QRH; and taxied back to the chocks. Maintenance said it may be an Air Data Computer failure.
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.