# SDR CALA2025110610933

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2025
- Submitted: November 6, 2025
- Operation: Air carrier
- Aircraft: [N14520](https://openairdocs.org/aircraft/N14520), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 12103
- Aircraft time: 3,130 hours, 1,134 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Warning Light
- Condition: False Activation
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025110610933

## Discrepancy

RED FLASHING LIGHT, L1 DOOR AFTER PARKING. CABIN PRESSURE WAS ZERO,  ACCOMPLISHED OPS TEST OF CABIN OVERPRESSURE WARNING SYSTEM. OPS CHECK NORMAL. IAW AMM52-73-00

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