# SDR YENA201708020619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2017
- Submitted: August 7, 2017
- Operation: Air carrier
- Aircraft: [N521JB](https://openairdocs.org/aircraft/N521JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1452
- Aircraft time: 65,270 hours, 23,621 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Filter
- Part number: 20499004
- Part serial: 8242
- Condition: Odor
- Location: Ozone
- Part time: 57,636 hours, 20,356 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201708020619

## Discrepancy

DIVERTED DUE TO A FAINT ODOR, WHILE ISOLATING THE SOURCE, PERFORMED BORESCOPE INSPECTION ON THE NR 1 ENGINE IAW TSM 05-50-00-810-813-A. FOUND NO ACTIVE OIL LEAKS OR PUDDLING.  REMOVED & REPLACED BOTH RECIRCULATION FILTERS IAW AMM 21-21-41. ACCOMPLISHED DECONTAMINATION OF THE ECS IAW AMM 21-00-00. REMOVED & REPLACED OZONE FILTER IAW MM 21-51-41 NR 1 PACK.  REMOVED & REPLACED THE NR 2 PACK OZONE FILTER IAW AMM 21-51-41.

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