# SDR GTIA2024101838459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2024
- Submitted: October 18, 2024
- Operation: Air carrier
- Aircraft: [N917NK](https://openairdocs.org/aircraft/N917NK), registered now
- Make and model: Airbus A320-271N
- Registry model: [Airbus A320-271N](https://openairdocs.org/model/airbus-a320-271n) (OpenAirDocs)
- Aircraft serial: 9179
- Aircraft time: 15,011 hours, 6,257 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Nr 1
- 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/GTIA2024101838459

## Discrepancy

ON DESCENT FUME EVENT IN COCKPIT, VERY NOTICEABLE WHEN HP VALVES OPEN. ISOLATED PACK 1 AND SMELL IMMEDIATELY WENT AWAY. -REF TSM 05-50-00-810-831-A DECISION TABLE LEAD TO APU. EXAMINED APU PER AMM 49-00-00 NO LEAKS OR DEFECTS NOTED AT THIS TIME. SECOND CAUSE IS PACK 1. REF L/P 3607976-2 FOR CORRECTIVE ACTION ON PACK 1

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