# SDR YENA2025082100860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2025
- Submitted: August 21, 2025
- Operation: Air carrier
- Aircraft: [N967JT](https://openairdocs.org/aircraft/N967JT), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 07257
- Aircraft time: 37,789 hours, 7,471 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Leaking
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025082100860

## Discrepancy

FLT 524, LAX-JFK.  STRONG FUMES ODOR ON ARRIVAL, AROUND 14,000 FT ALTITUDE,  WHEN WE ENTERED THE CLOUDS. IT WENT AWAY BEFORE WE COULD DO A ISOLATION PROCEDURE. ODOR WAS IN THE BACK HALF OF MAIN CABIN,  APU WAS FOUND LEAKING.  ECS LEVEL C DECONTAMINATION.  REPLACED BOTH RECIRCULATING FILTERS & OZONE FILTER 100HM,   COMPLETED DECONTAMINATION IAW AMM 21-00-00-615-804-A. NO ODOR AT THIS TIME. OPEN

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