# SDR GTIA2025072138998

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2025
- Submitted: July 21, 2025
- Operation: Air carrier
- Aircraft: [N686NK](https://openairdocs.org/aircraft/N686NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8141
- Aircraft time: 23,769 hours, 10,544 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Ecs
- Condition: Odor
- Location: Zone 100
- Stage of operation: NR
- 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/GTIA2025072138998

## Discrepancy

REAR AFT FLIGHT ATTENDANT REPORTED POSSIBLE MUSTY ODOR IN AFT GALLEY AND FROM ROW 33 AND BACK-ACCOMPLISHED TSM 05-50-810-831-A PROCEDURES. PER DECISION TABLE FOUND ENG 2 BLEED AND PACK 2 WITH HIGHEST POSSIBLE CAUSES. PERFORMED LEVEL A DECONTAMINATION OF THE ECS IAW AMM 21-00-00-615-802. NO SMELLS NOTED. NO DEFECTS NOTED AC OK TO RETURN TO SERVICE. MOC 70318

---
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.
