# SDR GTIA2025031338798

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2025
- Submitted: March 13, 2025
- Operation: Air carrier
- Aircraft: [N987NK](https://openairdocs.org/aircraft/N987NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 11691
- Aircraft time: 4,540 hours, 2,002 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/GTIA2025031338798

## Discrepancy

DESCENDING THROUGH 10,000 FT , FA REPORTED MUSKY / CHEMICAL SMELL COMING OUT OF VENTS IN THE BACK 5 ROWS . LASTED 5 MINS, & DISAPATED. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-REF TSM 05-50-00-810-831-A PERFORMED FAULT ISOLATION OF APU , ENG 1 & ENG 2 ODOR WITH PACKS 1 & 2. NO ODOR NOTED WITH APU OR ENGINE BLEED. PERFORMED GVI OF A/C EXTERIOR NO FAULT NOTED. A/C OK FOR SVC.

---
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.