# SDR CALA2011021400086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2011
- Submitted: February 14, 2011
- Operation: Air carrier
- Aircraft: N17620
- Make and model: Boeing 737524
- Aircraft serial: 27333
- Aircraft time: 43,407 hours, 23,012 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Part number: 189929
- Condition: Defective
- Location: Lt Mlg
- Stage of operation: LD
- 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/CALA2011021400086

## Discrepancy

LEFT GEAR RED LIGHT REMAINED ILLUMINATED WITH GEAR OFF.  REMOVED AND REPLACED GEAR POSITION UP SENSOR PER WDM 32-64-12 DUE TO BROKEN OLD SENSOR (PER AMM 32-61-21).  PERFORMED MAIN GEAR OPERATION TEST PER AMM 32-32-00.  OPS CHECK NORMAL.

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