SDR CALA2023041901152

Service difficulty report · Check Valve · Airbus A319131

Difficulty date: April 17, 2023
Submitted: April 19, 2023
Operation: Air carrier
Aircraft: N820UA
Make and model: Airbus A319131
Aircraft serial: 898
Aircraft time: 74,757 hours, 32,060 cycles
System (JASC): 2913 · Hydraulic Pump (Electric/Engine), Main
Part: Check Valve
Part number: ZCV671
Part serial: NA
Condition: Failed
Location: Wheel Well
Stage of operation: TO
How discovered: O
Nature of condition: K
Precautionary procedure: A

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

What was found

ECAM, HYD Y RSVR LO LVL. FOLLOWED CHECKLIST, SHUT DOWN #2 ENGINE PUMP. DID NOT GET YELLOW SYSTEM LOW PRESSURE MSG PRIOR TO SHUTTING PUMP OFF. FOUND GREEN MAIN HYDROLIC POWER CHECK VALVE ON PTU TO BE LEAKING. REMOVED AND REPLACED CHECK VALVE. REFF AMM 29-11-15 PARTS USED: 18-2911-3-0014,QTY :1 40-0595-3-1665,QTY :1 00-0609-3-0763,QTY :1

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