# SDR DXTA2024012210684

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2024
- Submitted: January 22, 2024
- Operation: Air carrier
- Aircraft: [N466QS](https://openairdocs.org/aircraft/N466QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500757
- Aircraft time: 212 hours, 149 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: 0005701
- Condition: Faulted
- Location: Mlg
- 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/DXTA2024012210684

## Discrepancy

AFTER EXTENDING MLG, RECEIVED A RED CAS WARNING LG LEVER DISAG. 2 MLG SHOWED DOWN & LOCKED, NLG SHOWED UP. RAN QRH,  CYCLED MLG. MOVED MLG LEVER TO UP POSITION, NLG SHOWED UP & LOCKED, DID NOT FEEL NLG IN TRANSIT. BOTH MAINS RETRACTED NORMAL. MOVED GEAR LEVER DOWN, ALL INDICATIONS NORMAL,  RECEIVED 3 GREENS & HAD AN UNEVENTFUL LANDING. JACKED ACFT PERFORMED 2 GEAR SWINGS WITH NO DEFECTS, CHECKED OEM DIAGNOSTICS, FOUND NLG UPLOCK FAULT HISTORY FROM PREVIOUS FLT,  INSPECTED PROX SWITCH, FOUND CONNECTION TO SE SECURE & SWITCH IUGGING IN TOLERANCE,  PERFORMED FIM TASK, NO DEFECTS.  REMOVED NLG PROX SWITCH & INSTALLED NEW.  PERFORMED SWITCH RIGGING CHECK ,  PERFORMED 3 GEAR SWINGS, NO DEFECTS IAW AMM 32-61-01

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