Service difficulty report · Pump · Airbus A319131

Difficulty date
June 16, 2010
Submitted
June 16, 2010
Operation
Air carrier
Aircraft
N822UA
Make and model
Airbus A319131
Aircraft serial
948
Aircraft time
40,042 hours, 15,541 cycles
Engine
Iae V2522A5
Part
Pump
Part number
3031863001
Part serial
MX600696
Condition
Unreliable
Location
Hyd System
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

GREEN HYD RESERVOIR LOW LEVEL MESSAGE, RTFL. ECAM PAGE CONFIRMS FLUID LOSS. SERVICED ALL HYD RSVR TO FULL. REPLACED NR 1 ENG GREEN EDP AND CASE DRAIN FILTER. THERE WAS NO METAL OR ANY EVIDENCE OF FAILURE. NO LEAKS PRESS 3000 PSI. MX FOUND A BLOWN STEEL BRAIDED HYD LINE ON THE UNLOCKING ACTUATOR IN THE NLG WHEEL WELL. REPLACED RT NLG UNLOCK ACT BRAIDED HYD PRESS LINE, NO LEAKS. DUE TO FREEFALL GEAR EXTENSION ACCMP'D AMM TASK TO PUT SYSTEM BACK INTO NORMAL MODE. ACP TASK REF AMM, NO FURTHER DISCREPANCIES.

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