# SDR DALA2025082506282

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2025
- Submitted: August 25, 2025
- Operation: Air carrier
- Aircraft: [N861NW](https://openairdocs.org/aircraft/N861NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0796
- Aircraft time: 77,437 hours, 9,847 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Zone 700
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025082506282

## Discrepancy

MISC/DE, DUE TO LOSS OF BLUE HYDRAULIC SYSTEM QUANTITY AND PRESSURE.  REPLACED O-RING TO PARKING BRAKE VALVE UNION. OPS AND LEAK CHECK GOOD. (7223106)

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