Service difficulty report · Solenoid Valve · Airbus A321231

Difficulty date
November 6, 2025
Submitted
November 10, 2025
Operation
Air carrier
Aircraft
N549UW
Make and model
Airbus A321231
Aircraft serial
4932
Aircraft time
45,447 hours, 18,151 cycles
Engine
Iae V2533A5
Part
Solenoid Valve
Part number
AA105100
Part serial
TCB046
Condition
No Test
Location
Nr 2 Engine
Part time
25,127 hours, 10,596 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT SHORTLY AFTER LEVEL OFF AT FL 320 THEY EXPERIENCED LIGHT WAKE TURBULENCE IMMEDIATELY FOLLOWED BY ECAM ENGINE 2 STALL AND ENGINE 2 N1 BEGAN ROLL BACK BUT RETURNED TO NORMAL WITHIN A FEW SECONDS. THE ECAM THEN SELF CLEARED. ALL ENGINE INDICATIONS WERE NORMAL AFTER THAT. MAINTENANCE FOUND BLEED VALVE SOLENOIDS 7A (AALA202511107110) AND 7C (AALA202511103184) FAILING THE BLEED VALVE CHECK AND REPLACED BOTH OF THEM. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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