# SDR SWAA040761

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2004
- Submitted: March 15, 2004
- Operation: Air carrier
- Aircraft: [N334SW](https://openairdocs.org/aircraft/N334SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 23938
- Aircraft time: 56,017 hours, 53,567 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Lock Sensor
- Part number: 65C280342
- Condition: Faulty
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA040761

## Discrepancy

AFTER GEAR RETRACTION, THE RED AND GREEN NLG LIGHTS STAYED ILLUMINATED IN BOTH THE UP AND OFF POSITION.  CYCLED GEAR, NO IMPROVEMENT.  REMOVED AND REPLACED NLG LOCK SENSOR PER MM.

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