# SDR IPXA2025072496591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2025
- Submitted: July 25, 2025
- Operation: Air carrier
- Aircraft: [N144UP](https://openairdocs.org/aircraft/N144UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0827
- Aircraft time: 27,561 hours, 16,846 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Indicator
- Condition: Inoperative
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2025072496591

## Discrepancy

ON PREFLIGHT FOUND L1 DOOR RED WARNING LIGHT NOT ILUMINATING WHEN TESTED.  RESET AUTONOMOUS POWER SUPPLY AND PERFORMED TEST OF EMERGENCY ESCAPE SLIDE RELEASE WARNGING SYSTEM IAW AMM 52-73-00. TEST PASS. THIS CLEARS AUTH 2851768. DMP REVERSED PLACARD REMOVED.

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