# SDR IPXA1570670

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2011
- Submitted: December 16, 2011
- Operation: Air carrier
- Aircraft: [N471UP](https://openairdocs.org/aircraft/N471UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 28842
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Part number: 893501
- Part serial: A28688
- Condition: Inoperative
- Location: Pax Door
- 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/IPXA1570670

## Discrepancy

CLIMBING THROUGH 11,000 FT,  "CREW ENTRY DOOR" MESSAGE ILLUMINATED. QRH PROCEDURE FOLLOWED. PRESSURIZATION APPEARED NORMAL. RETURNED FOR INSPECTION.     R & R CREW ENTRY DOOR PROXIMITY SENSOR IAW WDM 52-71-31, PG 5, SHEET 1. OPS CHECKED GOOD.

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