Service difficulty report · Warning Message · Airbus A320232

Difficulty date
November 27, 2006
Submitted
December 5, 2006
Operation
Air carrier
Aircraft
N454UA
Make and model
Airbus A320232
Aircraft serial
1104
Aircraft time
25,451 hours, 9,295 cycles
Engine
Iae V2527A5
Part
Warning Message
Condition
False Activation
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

STALL DISPLAYED ON UPPER ECAM SCREEN DURING STEADY STATE CLIMB OR CRUISE. ENGINE NOT SHUTDOWN. ACCOMPLISHED COMPRESSOR BORESCOPE INSPECTION, INCLUDING HIGH PRESSURE COMPRESSOR R3 CLAPPER. ACCOMPLISHED COMPRESSOR BLEED SYSTEM CHECKS. FOUND RH LOWER 7TH STAGE BLEED VALVE STUCK OPEN. ALSO RELATED CONTROL SOLENOID VALVE FAILED TEST. REPLACED BLEED VALVE & SOLENOID VALVE. LUBED VSV LINKAGE, ACCOMPLISHED POWER ASSURANCE RUN. OPS CHECKED GOOD. ALL PARAMETERS CHECKED NORMAL.

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