# SDR IPXA2018043029104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2018
- Submitted: May 2, 2018
- Operation: Air carrier
- Aircraft: [N579UP](https://openairdocs.org/aircraft/N579UP), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 26062
- Aircraft time: 99,256 hours, 16,727 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Sensor
- Condition: Intermittent
- Location: L1 Door
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018043029104

## Discrepancy

1L ENTRY DOOR SENSOR INTERMITTENT. DOOR OPEN & SHOWS CLOSED CYCLED DOOR UNTIL ENTRY OPEN.  DEFERRED L1 DOOR INDICATION PER MEL 52-73-1-0-1 DMP C/W PLACARD INSTALLED.  **SDR FILED OPEN**

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