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Md-83 captain reported losing first officer CADC on takeoff roll; so the takeoff was rejected and the flight returned to the gate.
| Attributes | |
| ACN | 1036647 |
| Time | |
| Date | 201209 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | MD-83 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Component | |
| Aircraft Component | Air Data Computer |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
As we began the takeoff roll the first officer's airspeed did not come off zero and auto-throttles disconnected. Near approximately 80 KTS we recognized the first officer had lost his CADC and I began a rejected takeoff procedure. First officer advised tower of our rejected takeoff. We exited the runway and began to assess the aircraft and our immediate needs. Plenty of runway was left and the brake temp was slow to rise. We called ATC and requested to return to the gate and also informed our maintenance to meet the aircraft to perform all necessary inspections. Brake temperature never exceeded 205C and had already begun to cool down prior to parking at the gate. Taxi back to terminal was uneventful and info was entered into the [logbook].
Original NASA ASRS Text
Title: MD-83 Captain reported losing First Officer CADC on takeoff roll; so the takeoff was rejected and the flight returned to the gate.
Narrative: As we began the takeoff roll the First Officer's airspeed did not come off zero and auto-throttles disconnected. Near approximately 80 KTS we recognized the First Officer had lost his CADC and I began a rejected takeoff procedure. First Officer advised Tower of our rejected takeoff. We exited the runway and began to assess the aircraft and our immediate needs. Plenty of runway was left and the brake temp was slow to rise. We called ATC and requested to return to the gate and also informed our Maintenance to meet the aircraft to perform all necessary inspections. Brake temperature never exceeded 205C and had already begun to cool down prior to parking at the gate. Taxi back to terminal was uneventful and info was entered into the [logbook].
Data retrieved from NASA's ASRS site as of July 2013 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.