# SDR DXTA2026022707024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2026
- Submitted: February 27, 2026
- Operation: Air carrier
- Aircraft: N378QS
- Make and model: Cessna 680SOV
- Aircraft serial: 6800103
- Aircraft time: 15,906 hours, 10,618 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Bearing
- Part serial: S307106024
- Condition: Defective
- 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/DXTA2026022707024

## Discrepancy

AFTER TAKEOFF, GEAR RETRACTED NORMALLY. DURING CLIMB OUT (APPROXIMATELY 10000-12000 FEET) THE RED GEAR UNLOCK LIGHT ILLUMINATED. RAN QRH.  DURING THE GVI OF THE NLG ASSEMBLY FOUND THE UPLOCK BEARING WAS COMPLETLY MISSING FROM THE NOSE GEAR CAUSING THE UPLOCK SWITCH TO NOT DEPRESS. INSTALLED THE MISSING UPLOCK BEARING ASSEMBLY ONTO THE NLG ASSEMBLY.1 BOLT (NAS6204-44D, SN- NSN), 1 SPACER (6742028-3, SN-NSN),4 BUSHINGS (PN- NAS75-6-013, SN- NSN), AND 1 BEARING (PN-S3071-06C24, SN- NSN) AND ASSOCIATED HARDWARE. WORK DONE IN REF TO CE680 AMM 32-30-50. OPS CHECKS GOOD IN REF TO CE680 AMM 32-00-00

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