What was found
SHIP 3255, DECLARED EMERGENCY DUE TO LOSS OF THE BLUE SYSTEM QUANTITY AT CRUISE. REPLACED LEAKING CHECK VALVE AT BLUE SYSTEM MANIFOLD. CHECK VALVE WAS LEAKING FROM THE O-RING AT THE BASE. (LP: 7451561)
- Difficulty date
- July 4, 2025
- Submitted
- July 11, 2025
- Operation
- Air carrier
- Aircraft
- N355NW
- Make and model
- Airbus A320212
- Aircraft serial
- 807
- Aircraft time
- 78,424 hours, 37,096 cycles
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Check Valve
- Condition
- Leaking
- Location
- Zone 100
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- K, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.