# SDR GTIA2024120238572

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2024
- Submitted: December 3, 2024
- Operation: Air carrier
- Aircraft: [N668NK](https://openairdocs.org/aircraft/N668NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7135
- Aircraft time: 28,912 hours, 12,840 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/GTIA2024120238572

## Discrepancy

STRONG ACID ODOR LEVEL AT 3000' ISOLATED TO PACK 1 -PERFORMED TSM 05-50-810-831. ALL SIGNS POINT TO HYDRUALIC LEAK. CHECKED FOR EXTERNAL LEAKS IAW AMM 29-00-00. NO LEAKS NOTED. PERFORMED GVI OF APU INTAKE NO HYDRAULIC FLUID TO NOTE. REF LP 3547342-1 FOR FURTHER WORK CONTINUATION.

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