# SDR UALA2009051801402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2009
- Submitted: May 20, 2009
- Operation: Air carrier
- Aircraft: N512UA
- Make and model: Boeing 757222
- Aircraft serial: 24809
- Aircraft time: 64,005 hours, 21,034 cycles
- Engine: Pwa PW2037
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Condition: Faulty
- Location: Landing Gear
- 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/UALA2009051801402

## Discrepancy

GEAR DISAGREE MESSAGE, RTFL.  REPLACED S10069 AND S10239 PROX SENSORS AND WD 32-61-11.  PSEU BITE AND TARGET TESTS OK.

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