# SDR SIMA20140720001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2014
- Submitted: July 21, 2014
- Operation: Air carrier
- Aircraft: [N905JH](https://openairdocs.org/aircraft/N905JH), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500892
- Aircraft time: 24,152 hours, 20,541 cycles
- System (JASC): [2350 · Audio Integrating System](https://openairdocs.org/jasc/2350)
- Part: Icu
- Part number: 7510700766
- Part serial: 00045126
- Condition: Failed
- Location: Nr 2
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20140720001

## Discrepancy

ADC 1 & 2 FAIL WITH AP FAIL & AIRSPEED & ALT PRESELECT FAIL VERT SLOPE OFF.  R & R REPLACED 2 ICU IAW AMM 23-00-01.  OPERATIONS CHECKED GOOD & PERFORMED FNC OF ADC 1 & 2 IAW AMM 34-15-00.  OPERATIONS CHECKED GOOD.

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