# SDR GTIA2025111039166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2025
- Submitted: November 10, 2025
- Operation: Air carrier
- Aircraft: [N725NK](https://openairdocs.org/aircraft/N725NK), 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: 11916
- Aircraft time: 3,936 hours, 1,636 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: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2025111039166

## Discrepancy

SUSPECTED AIR QUALITY/ FUME EVENT PACK 2. DESCRIPTION OF ODOR/FUMES: PERSISTENT, UNFAMILIAR CHEMICAL SMELL DURING CRUISE. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-ACCOMPLISHED LEVEL A DECONTAMINATION IAW AMM 21-00-00. NO ODORS DETECTED. A/C OK FOR SERVICE.

---
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.