# SDR HNAA2017071200237

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2017
- Submitted: July 12, 2017
- Operation: Air carrier
- Aircraft: [N625AE](https://openairdocs.org/aircraft/N625AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145115
- Aircraft time: 41,896 hours, 38,554 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Condition: Failed
- Location: Nlg Wow
- Stage of operation: CL
- 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/HNAA2017071200237

## Discrepancy

AFTER GEAR RETRACTION, THE NR 1&2 ENGINE REVERSERS DISAGREE EICAS CAUTION MESSAGE APPEARED.  DURING GEAR EXTENSION THE MESSAGE EXTINGUISHED.   FOLLOWED FIM FOR ENG REVERSER DISAGREE FIM ASSOCIATED NOSE PROXIMITY SENSOR FAILED CMC MESSAGE TO CAUSES ISSUE. R & R THE NOSE GEAR WOW SWITCH

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