# SDR SIMA20171029001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2017
- Submitted: October 30, 2017
- Operation: Air carrier
- Aircraft: [N939AE](https://openairdocs.org/aircraft/N939AE), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 14500923
- Aircraft time: 31,094 hours, 26,653 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Target
- Condition: Out Of Alignment
- Location: Wow Switch
- 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/SIMA20171029001

## Discrepancy

LANDING GEAR AIR-GROUND FAIL AFTER TAKEOFF,  FOLLOWED BY A NR 1 & 2 ENGINES REVERSER DISAGREE.  FOUND THE NOSE LANDING GEAR AIR/GROUND WOW PROXIMITY SENSOR TARGET OUT OF ALIGNMENT. PERFORMED ADJUSTMENT OF THE TARGET IAW AMM 32-63-05. OPS CHECKED GOOD.

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