# SDR YENA201705140362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2017
- Submitted: May 15, 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: 45,293 hours, 15,428 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 44018003
- Part serial: 6003
- Condition: Odor
- Location: Cabin Air
- Part time: 48,274 hours, 16,656 cycles
- Stage of operation: DE
- 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/YENA201705140362

## Discrepancy

DIRTY SOCK ODOR DURING DESCENT, AROUND 5000 FEET, WITH ENGINE BLEEDS ON, NO APU, AND BOTH PACKS ON.  PERFORMED TROUBLESHOOTING IAW TSM 05-50-00-810-831-A.  PERFORMED AN ENGINE WASH IAW EMM 72-00-00-100-001-B00.  R & R THE RT & LT OZONE FILTERS IAW AMM 21-51-41, OPS & LEAK CHECKED OK.  R & R THE NR 1 AND 2 RECIRCULATION FILTERS IAW AMM 21-21-41. PERFORMED A BORESCOPE OF THE ENGINE NO OIL PUDDLING NOTED.

---
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.
