# SDR DALA2026050402797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2026
- Submitted: May 4, 2026
- Operation: Air carrier
- Aircraft: [N820NW](https://openairdocs.org/aircraft/N820NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0859
- Aircraft time: 82,974 hours, 10,778 cycles
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Box
- Condition: Broken
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026050402797

## Discrepancy

PAX OXY STORAGE OPEN /BROKEN ROW 48CDFG.   REPLACED O2 ASSY PER A330 AMM 35-21. OK FOR SERVICE. (8589606) AIRCRAFT WAS GROUNDED.

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