# SDR DALA2016020800991

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2016
- Submitted: February 12, 2016
- Operation: Air carrier
- Aircraft: [N549US](https://openairdocs.org/aircraft/N549US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26496
- Aircraft time: 59,187 hours, 22,900 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Proximity Sensor
- Condition: Failed
- Location: Girt Bar
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016020800991

## Discrepancy

CIRCUIT BREAKER TRIPS WHEN ENTRY DOORS ARE ARMED FOR PUSHBACK. TROUBLESHOT IAW WDM 25-66-11, VERIFIED RT PROXIMITY SENSOR BAD.  R & R RT GIRT BAR PROXIMATELY SENSOR AT 4R DOOR REF WDM 25-66-11 AND SWPM CH 20-30.  DOOR SLIDE ARM LIGHT.  OPS CHECK NORMAL.

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