# SDR SIMA20170427002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2017
- Submitted: April 28, 2017
- Operation: Air carrier
- Aircraft: [N696AE](https://openairdocs.org/aircraft/N696AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500874
- Aircraft time: 30,874 hours, 26,024 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20170427002

## Discrepancy

AT 35,000 FT LOSS OF CA'S AIRSPEED INDICATOR, ALTIMETER, AND VERTICAL SPEED INDICATOR. RED X'S ON ALL SPS ADVANCED ON EICAS.  TROUBLESHOT IAW FIM 34-22-00-810-812, AND FIM 34-22-00-810-813.  R & R THE NR 1 AIR DATA COMPUTER IAW AMM 34-15-01.  OPS CHECKED GOOD.  ALSO, SPS ADVANCE MESS RELATED TO ADC FAIL IAW FIM 27-36-00-810-804.  OPS CHECKED GOOD

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