# SDR GTIA2021111836128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2021
- Submitted: November 18, 2021
- Operation: Air carrier
- Aircraft: [N682NK](https://openairdocs.org/aircraft/N682NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7957
- Aircraft time: 13,006 hours, 5,524 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Ecs
- Condition: Contaminated
- Stage of operation: DE
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2021111836128

## Discrepancy

POSSIBLE FUME EVENT DURING INITIAL DESCENT. AT FA REPORTED MUSTY SMELL PAST NOW 30. APPLIED SUPPLEMENT PROCEDURE IAW 3.226.1 AND SMELL WENT AWAY. -PERFORMED THE LEVEL A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM (ECS) AS PER AMM 21-00-00. NO FAULTS NOTED DURING APU, ENGINE 1 OR ENGINE 2 OPERATION ISOLATING PACK 1 / PACK2. A/C OK FON CONTINUED SERVICE.

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