# SDR YENA201708040622

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2017
- Submitted: August 7, 2017
- Operation: Air carrier
- Aircraft: [N588JB](https://openairdocs.org/aircraft/N588JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 2201
- Aircraft time: 53,946 hours, 19,213 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Part number: 44018003
- Part serial: 6009
- Condition: Odor
- Location: Ozone
- Part time: 47,933 hours, 16,785 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/YENA201708040622

## Discrepancy

DIRTY SOCK ODOR NOTICIED AT APPROXIMATLY 6000 FEET PRIOR TO LANDING, HIGH PRESSURE VALVE SECURED CLOSED.  PERFORMED BOROSCOPE OF NR 2 ENGINE. FOUND NO EVIDENCE OF INTERNAL OIL LEAKAGE OR OTHER DEFECTS. INSPECTED BEHIND #2 ENGINE INLET CONE. NO EVIDENCE OF OIL LEAKAGE FOUND. R & R BOTH CABIN RECIRCULATION FILTERS IAW AMM 21-21-41. R & R BOTH OZONE FILTERS IAW AMM 21-51-41. RAN BOTH ENGINES AND APU IN MULTIPLE BLEED CONFIGURATIONS AND NO UNUSUAL ODORS WERE OBSERVED. ACFT OK FOR CONTINUED SERVICE. REACTIVATED THE NR 2 ENGINE HP VALVE.

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