# SDR 4DPA2023012600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: January 31, 2023
- Operation: Air carrier
- Aircraft: [N263JX](https://openairdocs.org/aircraft/N263JX), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145399
- Aircraft time: 25,692 hours, 24,882 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Electronic Unit
- Part number: 355022003
- Part serial: 5062
- Condition: Failed
- Location: Mlg
- 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/4DPA2023012600001

## Discrepancy

CREW REPORTED-LG AIR/GND FAIL MESSAGE DISPLAYED UPON LANDING GEAR SELECTED UP. FLAP AND TRIM ANNUNCIATION AT FULL POWER. AIR RETURN LANDING BACK IN PHX. CORR ACTION- MX R&R'D LGEU AND RAN PROX SWITCH TEST ALL OPS TESTS GOOD.

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