SDR 2008UALA00854

Service difficulty report · Control Valve · Airbus A320232

Difficulty date: February 17, 2008
Submitted: February 19, 2008
Operation: Air carrier
Aircraft: N440UA
Make and model: Airbus A320232
Aircraft serial: 702
Aircraft time: 36,250 hours, 13,834 cycles
Engine: Iae V2527A5
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Control Valve
Part number: 114087005
Condition: Leaking
Location: Mlg Uplock
Stage of operation: CL
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.

What was found

RTFL DUE TO A GREEN HYDRAULIC LOW PRESSURE WARNING INDICATION. MLG UPLOCK VALVE LEAKING, UNKNOWN DAMAGE, BOLT HEADS WEAR SHEARED OFF. REPLACED MLG UPLOCK VALVE, SERVICED GREEN SYSTEM HYDRO, PERFORMED GEAR SWINGS AND PLACED SYSTEM BACK TO NORMAL AFTER FREEFALL TEST.

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