# SDR IPXA2019020438658

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2019
- Submitted: February 4, 2019
- Operation: Air carrier
- Aircraft: [N575UP](https://openairdocs.org/aircraft/N575UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35664
- Aircraft time: 40,761 hours, 6,088 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Failed
- Location: Pax Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019020438658

## Discrepancy

ENTRY DOOR 1 INDICATION IS INTERMITTENT.T/S PERFORMED. FOUND DOOR WARNING SWITCH IN BAD CONDITION.  R/R DOOR WARN SWITCH IAW AMM 52-71-01-401 REV 94.03. FUNCTIONAL CHECK SATISFACTORY.

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