Service difficulty report · Safety Valve · Airbus A319114

Difficulty date
August 10, 2010
Submitted
January 4, 2011
Operation
Air carrier
Make and model
Airbus A319114
Aircraft time
36,878 hours
Engine
Ge CFM565A
Part
Safety Valve
Part number
S4340131003
Condition
Shorted
Location
Mlg
Part time
38,552 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

A SHORT IN THE LANDING GEAR HYD SAFETY VALVE CAUSED THE TRIPPING OR CIRCUIT BREAKERS LGCIU SYS 1 AND LGCIU SYS 1 GRD SUP. THE FAILURE CONDITION OF THE LANDING GEAR SAFETY VALVE CAUSING THE TRIPPING OF THE CIRCUIT BREAKERS AUTOMATICALLY FORCED THE ACFT INTO THE AIR MODE. AIR MODE ON THIS ACFT MAY REMOVE HYD POWER TO BRAKES, NOSE WHEEL STEERING AND THRUST REVERSERS, A POTENTIALLY HAZARDOUS CONDITION.

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