# SDR GTIA2017120502269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2017
- Submitted: December 7, 2017
- Operation: Air carrier
- Aircraft: [N620NK](https://openairdocs.org/aircraft/N620NK), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 5624
- Aircraft time: 18,035 hours, 8,330 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Ecs
- Condition: Contaminated
- 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/GTIA2017120502269

## Discrepancy

DURING DESCENT FROM 15,000 FT ENCOUNTERED VERY STRONG DIRTY SOCK ODOR, NECESSITATING TURNING OFF BLEED 1 TO ELIMINATE ODOR. BLEED 2 WAS OFF I/A/W 36-11-07-2. REFERENCE FINDINGS ON LG PG# 2294719-2 & #2294720-1 (-2) PERFORM  DECONTAMINATION OF THE ECS AS PER AMM 21-00-00, OPS CK GOOD.

---
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.