# SDR GTIA2024091738376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2024
- Submitted: September 18, 2024
- Operation: Air carrier
- Aircraft: [N709NK](https://openairdocs.org/aircraft/N709NK), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11470
- Aircraft time: 3,540 hours, 1,337 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/GTIA2024091738376

## Discrepancy

DIRTY SOCK SMELL IN THE COCKPIT ON DESCENT POSS FUME EVENT-REF TSM 05-50-00-810-831, SUSPECT PACK 1 POSSIBLE CAUSE. WENT BACK 2 MONTHS NO PREVIOUS WRITE UPS. REF LP 3370355-2 FOR PACK DEFERRAL.

---
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.