# SDR R61A2022110900689

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2022
- Submitted: November 9, 2022
- Operation: Air carrier
- Aircraft: [N246JQ](https://openairdocs.org/aircraft/N246JQ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000262
- Aircraft time: 33,919 hours, 21,419 cycles
- System (JASC): [3100 · Indicating/Recording System](https://openairdocs.org/jasc/3100)
- Part: Unknown
- Condition: Unknown
- Location: Adc
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A2022110900689

## Discrepancy

NO VALID AIR DATA ON ALL INSTRUMENTS AR SPEED AND ALT. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. PERFORMED ADS SYSTEM FUNCTIONAL CHECK IAW AMM 34-15-00, OPS CHECK GOOD.

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