# SDR CALA2025071506575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2025
- Submitted: July 15, 2025
- Operation: Air carrier
- Aircraft: [N54525](https://openairdocs.org/aircraft/N54525), 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: 12208
- Aircraft time: 1,779 hours, 697 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Computer
- Condition: Smoke
- Location: Pax Property
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025071506575

## Discrepancy

SMOKE IN CABIN THE SOURCE OF THE SMOKE IN THE CABIN WAS FROM A PASSENGER LAPTOP AT SEAT 4B.  REMOVED AND REPLACED BOTH CABIN AIR RECIRCULATION FILTERS REF AMM 21-21-41-000-001-A AND AMM 21-21-41-400-001-A AND RAN PACKS TO AIR OUT CABIN. NO RESIDUAL SMOKE SMELL IN THE CABIN.

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