# SDR DALA2025112508573

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 23, 2025
- Submitted: November 25, 2025
- Operation: Air carrier
- Aircraft: [N803NW](https://openairdocs.org/aircraft/N803NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0542
- Aircraft time: 97,490 hours, 12,815 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Failed
- Location: Nr 1
- Stage of operation: AP
- 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/DALA2025112508573

## Discrepancy

DUE TO BURNING OIL ODOR FOLLOWED BY THE APPEARANCE OF A WHITE HAZE. AFTER LANDING RECEIVED PACK 1 ECAM MESSAGE. CORRECTIVE ACTION: FOUND PACK 1 FAILED. PLACED ACM ON MEL AND THEN REPLACED ACM. OPS CHECK GOOD. MEL AND PLACARD REMOVED. (7933836)

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