# SDR DXTA2016122906349

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2016
- Submitted: January 6, 2017
- Operation: Air carrier
- Aircraft: [N311QS](https://openairdocs.org/aircraft/N311QS), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800196
- Aircraft time: 8,597 hours, 5,681 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Uplock Switch
- Condition: Out Of Adjust
- Location: Nlg
- Stage of operation: CR
- 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/DXTA2016122906349

## Discrepancy

ABRUPT THUMP FOLLOWED BY RED GEAR UNLOCK LIGHT OCCURRED AT CRUISE AT FL410.  TROUBLESHOT TO NOSE LANDING GEAR UPLOCK SWITCH BARLY CONTACTING UPLOCK ROLLER. ADJUSTED NLG UPLOCK SWITCH AND OPS CHECK GOOD IAW MM 32-60-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.