Service difficulty report · O-Ring · Airbus A330223

Difficulty date
August 23, 2025
Submitted
August 25, 2025
Operation
Air carrier
Aircraft
N861NW
Make and model
Airbus A330223
Aircraft serial
0796
Aircraft time
77,437 hours, 9,847 cycles
Part
O-Ring
Condition
Leaking
Location
Zone 700
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
B, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

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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