# SDR LR7A2020092102642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 21, 2020
- Submitted: September 22, 2020
- Operation: Air carrier
- Aircraft: [N403LC](https://openairdocs.org/aircraft/N403LC), registered now
- Make and model: Lkheed 382G44K30
- Aircraft serial: 4590
- Aircraft time: 66,994 hours, 33,748 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock
- Part number: 3588005
- Part serial: RS30995
- Condition: Broken
- Location: Nlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A2020092102642

## Discrepancy

DURING LANDING ON SCHEDULED FLIGHT, NLG UNSAFE INDICATION.  VERIFIED VISUALLY DOWN AND LOCKED.  FOUND WIRE NR 2 ON UPLOCK SWITCH BROKEN.  REMOVED AND REPLACED UPLOCK SWITCH FOR BROKEN WIRES AND PHYSICAL DAMAGE.  LEAK CHECKS, ADJUSTMENTS, RETRACTION/EXTENSION CHECKS GOOD.  EMERGENCY EXTENSION CHECKS GOOD, IAW SMP581 CH 32-30.

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