# SDR 4DPA2023011850001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2023
- Submitted: January 18, 2023
- Operation: Air carrier
- Aircraft: [N264JX](https://openairdocs.org/aircraft/N264JX), registered now
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145264
- Aircraft time: 33,301 hours, 30,455 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Proximity Switch
- Part number: 8005701
- 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/4DPA2023011850001

## Discrepancy

ISSUE-CREW REPORTED LANDING GEAR WOULD NOT COME UP AFTER TAKE OFF. LG AIR/GND FAIL EICAS MESSAGE DISPLAYED. FOLLOWED QRH. UPON TOUCHDOWN, MESSAGE CLEARED. CORR ACTION- MX TROUBLESHOT TO FAILED NLG PROX SWITCH R&R'D SWITCH AND ALL OPS TESTS/GEAR SWINGS CHECKED GOOD.

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