# SDR GTIA2025091139071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2025
- Submitted: September 11, 2025
- Operation: Air carrier
- Aircraft: [N670NK](https://openairdocs.org/aircraft/N670NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7106
- Aircraft time: 29,690 hours, 13,171 cycles
- Engine: Iae V2533A5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Odor
- Location: Nr 2
- 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/GTIA2025091139071

## Discrepancy

AFTER START OF DESCENT FA'S REPORTED SMELL OF ROTTEN EGGS IN AFT CABIN W/ PACK 2 OFF. DESCRIPTION OF ODOR/FUMES: TEMPORARY, BODY ODOR/BIOHAZRD SMELL. APPARENT CABIN SOURCE: UNKNOWN. MID CABIN AND AFT CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-C/W TSM 05-50-00-810-831-A FOUND ENG #2 AS THE SOURCE PER DECISION TABLE. PERFORMED SUBSTACK 05-50-00-810-085-B TYPE 3. PERFORMED INSPECTION PROCEDURE ON TSM 71-00-00-810-801. NO LEAKS OR DEFECTS NOTED. PERF, LEVEL A DECONTAMINATION IAW AMM 21-00-00-615-802. NO ODOR NOTED. A/C GOOD FOR COUNTINUED 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.