# SDR ASOA2011112510004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2011
- Submitted: November 28, 2011
- Operation: Air carrier
- Aircraft: [N31131](https://openairdocs.org/aircraft/N31131), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145705
- Aircraft time: 25,101 hours, 13,628 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Control Unit
- Part number: 355022003
- Part serial: 0010
- Condition: Faulty
- Location: Mlg
- Part time: 28,890 hours, 25,873 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA2011112510004

## Discrepancy

FLT NR 4163 THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL MESSAGE ON SHORT FINAL.  MX INSPECTED AND REPLACED THE LANDING GEAR ELECTRONIC UNIT. OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.