# SDR DXTA2026052608173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2026
- Submitted: May 26, 2026
- Operation: Air carrier
- Aircraft: [N829QS](https://openairdocs.org/aircraft/N829QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000072
- Aircraft time: 4,573 hours, 2,653 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Part number: S31771
- Condition: Faulty
- Location: Zone 700
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026052608173

## Discrepancy

IN CRUISE FLIGHT AT FL430, WE HEARD A LOUD WIND NOISE AND FELT A SLIGHT VIBRATION. SHORTLY AFTER, WE RECEIVED A GEAR DOOR OPEN AMBER MESSAGE FOLLOWED BY A GEAR CONTROL FAULT AMBER MESSAGE. AFTER DISCUSSING WITH MX AND THE FODM, WE ELECTED TO CONTINUE TO OUR DESTINATION. ON DESCENT, WE RECEIVED A GEAR DISAGREE N AMBER MESSAGE. UPON GEAR EXTENSION, ALL GEAR EXTENDED NORMALLY, GEAR DOORS CLOSED NORMALLY, AND ALL MESSAGES EXTINGUISHED.  REMOVED FAULTY NLG UPLOCK SWITCH AND INSTALLED NEW CONDITION SWITCH IAW AMM 32-31-05. PERFORMED THE NLG UPLOCK SWITCH ADJUSTMENT IAW 32-31-00. POWERED AIRCRAFT AND USING AN EXTERNAL HYD POWER CART, PERFORMED THE MLG OPS CHKD WITH NO DISCREPANCIES NOTED IAW MM 32 -00-00.

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