# SDR YENA201704040243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 2017
- Submitted: April 7, 2017
- Operation: Air carrier
- Aircraft: [N641JB](https://openairdocs.org/aircraft/N641JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2848
- Aircraft time: 44,862 hours, 15,273 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 44018004
- Part serial: 8139
- Condition: Odor
- Location: Ozone
- Part time: 31,995 hours, 11,295 cycles
- Stage of operation: DE
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201704040243

## Discrepancy

ODOR DURING DESCENT FROM PACKS,  STRONGER ODOR WITH APU BLEED.  R & R THE NR 1 & 2 PACKS OZONE FILTERS IAW AMM 21-51-41. PERFORMED HIGH POWER RUN ASSURANCE CHECK, ISOLATED PACKS, NO ODOR PRESENT. OK FOR SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.