# SDR GTIA2025100939120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2025
- Submitted: October 9, 2025
- Operation: Air carrier
- Aircraft: [N723NK](https://openairdocs.org/aircraft/N723NK), 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: 12102
- Aircraft time: 3,802 hours, 1,612 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/GTIA2025100939120

## Discrepancy

F/A REPORTED STRANGE SMELL / ODOR AFTER T.O LASTED 2 MINUTES OR LESS , PILOTS ALSO NOTICED THIS SMELL IN CRUISE NO SMELL- ALL NORMAL . ON APPROACH SMELL / ODOR RETURNED , NO SMELL OR ODOR ON TAXI IN , SMELL IS CHEMICAL SWEET. DESCRIPTION OF ODOR/FUMES: TEMPORARY, CHEMICAL SWEET SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. FLIGHT DECK AND AFT CABIN/GALLEY(LAV). NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED TSM 05-50-00 FOR CAUSE OF ODOR/SMOKE , CHECKED ENGINES AND APU FOR PROPER SERVICING AND LEAKS. ALL LEVELS NORMAL , NO LEAKS NOTED . OPERATED  BOTH PACKS WITH APU /  ENGINES NO ODOR WAS NOTED MOC 68056

---
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.