# SDR 7GMB2018072319001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2018
- Submitted: July 23, 2018
- Operation: Air carrier
- Aircraft: N286SJ
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 14501153
- Aircraft time: 5,820 hours, 4,426 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 703070071701
- Part serial: 10092619
- Condition: Failed
- Location: Nr 1
- Part time: 5,750 hours, 4,388 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/7GMB2018072319001

## Discrepancy

ON THE RAMP, NR 1 PFD SHOWED RED X OVER AIRSPEED AND ALTITUDE TAPES. THE RED XS STAYED AFTER CB AND POWER RESET, CLEARED ONLY IN ADC REVERSION. REMOVED AND REPLACED NR 1 ADC, OPS CHECKED GOOD. THE AIRCRAFT WAS RETURN TO SERVICE.

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