# SDR ASOA20111220023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2011
- Submitted: December 21, 2011
- Operation: Air carrier
- Aircraft: [N13978](https://openairdocs.org/aircraft/N13978), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145180
- Aircraft time: 29,456 hours, 21,862 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: 8005701
- Part serial: 6326
- Condition: Faulty
- Location: Nose Gear
- 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/ASOA20111220023

## Discrepancy

THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE ON ROTATION.  MX INSPECTED AND PERFORMED FUNCTIONAL CHECKS OF THE PROXIMITY SWITCHES.  REPLACED THE NOSE GEAR WOW PROXIMITY SWITCH.  OPS CHECKED GOOD.

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