# SDR DXTA2019041822155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2019
- Submitted: April 18, 2019
- Operation: Air carrier
- Aircraft: [N363QS](https://openairdocs.org/aircraft/N363QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500256
- Aircraft time: 3,390 hours, 2,715 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Priority Valve
- Part number: 22170001401
- Part serial: 00053
- Condition: Malfunctioned
- Location: Nlg
- Stage of operation: LD
- 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/DXTA2019041822155

## Discrepancy

NLG LANDING GEAR EXTENSION DELAY - DURING GEAR EXTENSION, A THUD WAS HEARD AND FELT FROM THE RIGHR MAIN GEAR FOLLOWED BY ABOUT A 10 SECOND DELAY OF THE NOSE GEAR WHILE INDICATING A SQUARE AMBER BOX.  PERFORMED REPLACEMENT OF PRIORITY VALVE (NEW) IAW P-300 AMM 29-15-05

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