# SDR DXTA2026052108146

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2026
- Submitted: May 21, 2026
- Operation: Air carrier
- Aircraft: [N549QS](https://openairdocs.org/aircraft/N549QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0098
- Aircraft time: 8,904 hours, 5,890 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Part number: S31771
- Condition: Faulted
- Location: Zone 700
- Stage of operation: CL
- 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/DXTA2026052108146

## Discrepancy

AFTER TAKEOFF AND GEAR UP SELECTED WE RECEIVED GEAR DISAGREE N CAS MSG. BASED ON NOISE LEVEL WE BELIEVE THE GEAR WAS UP.  RAN CHECKLIST INCLUDING LANDING GEAR WILL NOT RETRACT WITH (BLACK AND YELLOW BOX WITH SLASHED LINES). GOT THE GEAR DOWN SUCCESSFULLY WITH 3 GREEN DISPLAYED. DIVERTED TO MX SITE AND LANDED UNEVENTFULLY. CORRECTIVE ACTION: REMOVED SUSPECTED NOSE LANDING GEAR UPLOCK SWITCH PN: S3177-1 NSN AND REPLACED WITH CUSTOMER SUPPLIED NEW SWITCH PN: S3177-1 NSN. PERFORMED ADJUSTMENT OF SWITCH AND PERFORMED OPERATIONAL TEST. PERFORMED GEAR SWINGS MULTIPLE TIMES WITH NO DEFECTS NOTED. ALL INDICATIONS WERE NORMAL, OPS CHECKS GOOD NO DEFECTS NOTED. REF CE680A AMM 32-32-10

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