# SDR CVGA20260921004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2026
- Submitted: September 22, 2026
- Operation: Air carrier
- Aircraft: [N670UP](https://openairdocs.org/aircraft/N670UP), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500231
- Aircraft time: 1,904 hours, 1,340 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Box
- Part number: 26171000401
- Part serial: 00514
- Condition: Failed
- Location: Zone 700
- Part time: 1,904 hours
- Stage of operation: AP
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CVGA20260921004

## Discrepancy

WE DID NOT GET A DOWN AND LOCKED NOSE GEAR INDICATIONWHEN MOVING THE GEAR HANDLE TO THE DOWN POSITION. FOLLOWING THE QRH, WE USED THE EMERGENCY GEAR DOWN HANDLE AND IT CAME DOWN ( EMERGENCY DECLARED ) REMOVED NLG UPLOCK BOX  AND PROX SWITCH, INSTALLED SERVICEABLE NOSE LANDING GEAR UPLOCK BOX AND PROX SWITCH IAW AMM 32-61-01. COMPLIED WITH LEAK CHECK AND EXTENSION AND RETRACTION SYSTEM FUNCTION CHECK. LEAK CHECK AND FUNCTIONAL CHECK GOOD.

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