# SDR DXTA2014060405789

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2014
- Submitted: July 7, 2014
- Operation: Air carrier
- Aircraft: [N245QS](https://openairdocs.org/aircraft/N245QS), registered now
- Make and model: Amd FALCON2000
- Aircraft serial: 145
- Aircraft time: 11,014 hours, 6,881 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Part number: C242450063
- Part serial: H1260
- Condition: Failed
- Location: Nlg
- Part time: 43 hours, 34 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2014060405789

## Discrepancy

WHILE RETRACTING THE GEAR, THE NOSE WHEEL VIBRATED EXCESSIVELY ALONG WITH MAKING A LOUD THUMPING NOISE.  THIS WAS ACCOMPANIED WITH A RAPID FLICKERING OF THE NOSE GEAR UNSAFE RED LIGHT IN THE COCKPIT.   REPLACED LT & RT MAIN GEAR DOOR PROX DETECTORS.  R & R CAP LOCK NOSE ASSEMBLY  & PERFORMED SEVERAL GEAR SWING NOTING NO VIBRATION ON RETRACTION IAW AMM 32-61-49-900-801.

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