# SDR DXTA2019123103280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2019
- Submitted: January 3, 2020
- Operation: Air carrier
- Aircraft: [N515QS](https://openairdocs.org/aircraft/N515QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0053
- Aircraft time: 3,015 hours, 2,027 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Part number: S31771
- Condition: Defective
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2019123103280

## Discrepancy

GEAR DISAGREE N AMBER CAS ILLUMINATED - AFTER TAKEOFF AND GEAR RETRACTION,  NLG POSITION DISAGREE WITH A AMBER HASHED  GEAR INDICATOR .  FOLLOWED CHECKLIST,  BLEW GEAR DOWN PER CHECKLIST, GOT THREE GREN INDICATIONS.  LANDED UNEVENTFULLY. //SIGNOFF//VERIFIED DISCREPANCY. JACKED AIRCRAFT. REMOVED NOSE LANDING GEAR POSITION SWITCH P/ N: S3177-1 S/ N: NA AND INSTALLED NEW NOSE LANDING GEAR POSITIONSWITCH P/ N: S3177-1 S/ N: NA. CYCLED LANDING GEAR SEVERA L TIMES TO BLEED AIR OUT THE HYDRAULIC SYSTEM. CYCLED MAIN LANDING GEAR SEVERAL MORE TIMES WITH NO DISCREPANCIES. OPS CHECKED GOOD. ALL WORK DONE IAW CESSNA 680A AMM 32-60-00.

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