# SDR MTNA1115120001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2012
- Submitted: November 29, 2012
- Operation: Air carrier
- Aircraft: [N800FX](https://openairdocs.org/aircraft/N800FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 336
- Aircraft time: 33,851 hours, 37,358 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 7000700951
- Part serial: 89053331
- Condition: Faulty
- Location: Cockpit
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MTNA1115120001

## Discrepancy

DURING TAKEOFF ROLL OF FLIGHT 7499 CRW-MEM, THE PILOTS AIRSPEED AND ALTIMETER FLAGS APPEARED.  THE FLIGHT CREW ABORTED THE TAKEOFF AND RETURNED TO THE GATE.  AFTER TROUBLESHOOTING THE MECHANIC REPLACED THE DADC IAW ATR72 JIC 34-11-81 THE SYSTEM CHECKED GOOD AND THE AIRCRAFT WAS RETURN TO SERVICE.

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