# SDR DXTA2012040204939

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2012
- Submitted: April 2, 2012
- Operation: Air carrier
- Aircraft: [N901QS](https://openairdocs.org/aircraft/N901QS), registered now
- Make and model: Cessna 750
- Registry model: [Cessna 750](https://openairdocs.org/model/cessna-750) (OpenAirDocs)
- Aircraft serial: 7500102
- Aircraft time: 11,585 hours, 7,050 cycles
- System (JASC): [3200 · Landing Gear System](https://openairdocs.org/jasc/3200)
- Part: Uplock Switch
- Part number: S31771
- Condition: Failed
- Location: Mlg
- Part time: 11,585 hours, 7,050 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2012040204939

## Discrepancy

NOSE GEAR "BUMP IN THE NIGHT" TWICE ON CLIMB AT 29900'/300KIAS AND 34600'/300KIAS AND ONCE ON THE DESCENT AT 17900' AND 280KIAS.   FOUND NOSE GEAR SWITCH MISSING REQUIRED PIN CONNECTORS.  R & R THE NOSE GEAR UPLOCK SWITCH WITH NEW IAW THE MM CH 30-30-05 (REV35). OPS CHECKED GOOD.

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