# SDR YENA20171011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2017
- Submitted: December 26, 2017
- Operation: Air carrier
- Aircraft: [N907JB](https://openairdocs.org/aircraft/N907JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5865
- Aircraft time: 15,820 hours, 4,962 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 1
- 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/YENA20171011

## Discrepancy

DESCENDING FROM 4000 FT AND SPEED 210 KIAS, A DIRTY SOCK ODOR. AT 2000 FT.   SELECTED PACK 1 OFF AND THE ODOR WENT AWAY GRADUALLY.  HAPPENED RIGHT AFTER SELECTION OF  FLAPS 2 AND ACFT PITCH ATTITUDE CHANGED.  COMPLIED WITH INFORMATION NOTICE 2017-T015B SECTION A. ODOR DETERMINED TO BE LEVEL 1 CONDITION. AIRCRAFT IS OK FOR SERVICE.

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