# SDR DALA2018070904435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2018
- Submitted: July 9, 2018
- Operation: Air carrier
- Aircraft: [N328NW](https://openairdocs.org/aircraft/N328NW), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 298
- Aircraft time: 78,722 hours, 36,154 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: Ac Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018070904435

## Discrepancy

DIV TO ATL DUE TO PACK NR 2 FAULT DURING CRUISE. APU ON MEL AND PACK NR 1 INOP.  DESCENDED TO FL100 AND DONNED O2 MASKS.  REMOVED AND REPLACED PACK NR 1 AND PACK NR 2 CONTROLLERS AND PACK NR 2 FLOW CONTROL VALVE.  OPERATION CHECKS GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.