# SDR GTIA2018070202726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2018
- Submitted: July 2, 2018
- Operation: Air carrier
- Aircraft: [N904NK](https://openairdocs.org/aircraft/N904NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 7094
- Aircraft time: 4,768 hours, 2,139 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2018070202726

## Discrepancy

FUME EVENT ON DESCENT INTO ATL THROUGH 12,000. F/A STATED THAT THEY SMELLED DIRTY SOCKS THROUGHOUT THE WHOLE CABIN. WE ISOLATED THE PACKS & SUSPECT THAT PACK 2 IS THE ISSUE. ( PACKS WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD 30626/MP K6443 (ENHANCED ECS) FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOT DISPLAYED. PERFORMED DECONTAMINATION OF THE ECS WITH ENGINES IAW AMM 21-00-00-615-003-A. NO ODOR 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.