# SDR IPXA2023111310526

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2023
- Submitted: November 13, 2023
- Operation: Air carrier
- Aircraft: [N573UP](https://openairdocs.org/aircraft/N573UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35662
- Aircraft time: 55,677 hours, 8,764 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Switch
- Part number: UNKNOWN
- Part serial: NA
- Condition: Failed
- Location: Unknown
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023111310526

## Discrepancy

FOUND L1 ENTRY DOOR WARNING SWITCH FAIL LOC: DOOR AFT-LOWER SIDE(REPLACE) I.A.W AMM 52-71-01-004-024 AND 52-71-01-404-047 REV.108 REPLACED THE L1 ENTRY DOOR WARNING SWITCH, AND PERFORMED THE DOOR WARNING SYSTEM TEST, RESULT WAS SATISFACTORY. REVIEW COMPLETE

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