# SDR GTIA2025050138892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2025
- Submitted: May 1, 2025
- Operation: Air carrier
- Aircraft: [N683NK](https://openairdocs.org/aircraft/N683NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8114
- Aircraft time: 22,806 hours, 10,200 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- 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/GTIA2025050138892

## Discrepancy

DURING CRZ TO DES -  ROTTEN EGG SMELL. ISOLATED TO PACK 2 AND SMELL WENT AWAY. DESCRIPTION OF ODOR/FUMES: TEMPORARY, ROTTEN EGG SMELL. APPARENT CABIN SOURCE: CABIN AIR SUPPLY VENTS. AFT CABIN/GALLEY(LAV) AND MID CABIN. NO VISIBLE SMOKE/HAZE. NO MEDICAL ATTENTION REQUIRED.-PERFORMED TSM 05-50-00-810-831-A. FOUND PACK 2 TO BE CAUSE OF AIR QUALITY. NO OTHER DEFECTS NOTED. FLIGHT CREW RAN ENGINES. REF LP# 3612871-2 FOR PACK 2 MEL APPLICATION. MOC# 69742

---
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.
