# SDR SIMA20220703002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2022
- Submitted: July 5, 2022
- Operation: Air carrier
- Aircraft: [N670AE](https://openairdocs.org/aircraft/N670AE), 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: 145790
- Aircraft time: 43,333 hours, 38,361 cycles
- System (JASC): [3251 · Steering Unit](https://openairdocs.org/jasc/3251)
- Part: Eicas
- Condition: Faulty
- Location: Cockpit
- Stage of operation: UK
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20220703002

## Discrepancy

AT ROTATION EICAS MSG AIR-GROUND FAIL E1 E2 REV DISAGREE EMERGENCY DECLARED. -C/A- RAR W019 HARNESS & NLG WOW SWITCH IAW SWPM 20-21-01, AMM 32-00-03, AND AMM 32-63-05. OPS CHECK GOOD. REF NRWC'S 670-ORD-05800 THRU 05801 FOR SUPPORTING ACTION

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