# SDR DXTA20082953

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2008
- Submitted: March 24, 2008
- Operation: Air carrier
- Aircraft: [N671QS](https://openairdocs.org/aircraft/N671QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605071
- Aircraft time: 7,106 hours, 5,567 cycles
- Engine: Pwa PW545A
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Condition: Out Of Adjust
- Location: Mlg
- 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/DXTA20082953

## Discrepancy

WHILE FLYING AT FL400 A LOUD (THUNK) WAS HEARD COMING FROM THE BACK. THE GEAR UNSAFE LIGHT ILLUMINATED WITH HYD PRESS STEADY.  ADJUSTED NOSE GEAR UPLOCK HOOK AND UP LOCK SWITCH IAW MM 32-30-05 GEAR SWING OPERATIONAL CHECK GOOD.

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