# SDR AALA202107149594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 2021
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N989AU](https://openairdocs.org/aircraft/N989AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7307
- Aircraft time: 14,911 hours, 5,738 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Surges
- Location: Nr 2
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107149594

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: #2 PACK SURGING CAUSING PRESSURIZATION TO SWING, V/S +250 - 450FPM AT FL340.   (OPEN)

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