# SDR GTIA2024052138124

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2024
- Submitted: May 22, 2024
- Operation: Air carrier
- Aircraft: [N921NK](https://openairdocs.org/aircraft/N921NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 9339
- Aircraft time: 14,100 hours, 5,848 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Fumes
- Location: Cockpit
- Stage of operation: DE
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2024052138124

## Discrepancy

SUSPECTED FUME EVENT LIMITED TO COCKPIT ONLY DURING DESCENT AROUND 28,000-PER TSM 05-50-00-810-831A  FOUND THE SOURCE TO BE PACK 1. REF LOG PAGE 3350209-2 FOR PACK 1 DEFERRAL

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