# SDR CALA2026080918421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 10, 2026
- Operation: Air carrier
- Aircraft: [N883UA](https://openairdocs.org/aircraft/N883UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 2574
- Aircraft time: 54,176 hours, 27,700 cycles
- Engine: Iae V2524A5
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Air Filter
- Part number: 424B2007
- Condition: Odor
- Location: Zone 100
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026080918421

## Discrepancy

APU AUTO SHUTDOWN & CREW NOTED SMOKE IN CABIN SHORTLY AFTER.   R & R BOTH CABIN RECIRC FILTERS IAW AMM 21-21-41/401.  ACCOMPLISHED PACK DECONTAMINATION IAW AMM 21-00-00-615-802-A. RAN ENGINES FOR 30 MINUTES AND ODOR DISSIPATED.  R & R RECIRC FILTERS AGAIN AS A PRECAUTION IAW AMM 21-21-41/401. GOOD TO CONTINUE,  APU DEFERRED REF LP 9910181.

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