# SDR SWAA010415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2001
- Submitted: February 20, 2001
- Operation: Air carrier
- Aircraft: 063SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 22061
- Aircraft time: 67,243 hours, 74,600 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Part number: 65C28034
- Condition: Failed
- Location: Nlg Ww
- 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/SWAA010415

## Discrepancy

AIR TURNBACK, NLG GEAR INDICATED DOWN WITH HANDLE SELECTED IN UP POS.  CYCLED GEAR, NO HELP.  RETURNED TO DAL WITH NORMAL GEAR DOWN INDICATIONS.  REMOVED AND REPLACED UP/DOWN LOCK SENSOR PER MM.  OPS CHECK NORMAL PER MM.

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