# SDR 3SRA20201026001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2020
- Submitted: October 26, 2020
- Operation: Air carrier
- Aircraft: N850TK
- Make and model: Raythn HAWKER850XP
- Aircraft serial: 258980
- Aircraft time: 2,918 hours, 1,965 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Part number: 1EN18N119
- Condition: Failed
- Location: Mlg
- Part time: 2,918 hours, 1,965 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3SRA20201026001

## Discrepancy

DURING LANDING GEAR RETRACTION, THE RT MAIN LANDING GEAR RED LIGHT REMAINED ILLUMINATED.  THE CREW REPORTED NO NOISE TO INDICATE THAT THE GEAR DID NOT RETRACT.

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