# SDR SIMA201809177002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2018
- Submitted: September 18, 2018
- Operation: Air carrier
- Aircraft: [N846AE](https://openairdocs.org/aircraft/N846AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145692
- Aircraft time: 29,713 hours, 25,837 cycles
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Adc
- Part number: 7014700626
- Part serial: 01075346
- Condition: Failed
- Location: Left
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201809177002

## Discrepancy

RED X ON AIRSPEED- ALT- AND VERTICAL SPEED DURING BEGINING OF APPROACH. BROKE OFF APPROACH AND DIVERTED TO ABI- VFR CONDITIONS. RED X'S OCCURED ON MULTIPLE OCCASIONS DURING FLIGHT CA SIDE ONLY. REMOVED AND REPLACED ADC 1 IAW AMM 34-15-01 LEAK CHECK GOOD OPS CHECK GOOD.

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