Service difficulty report · Valve · Airbus A319131

Difficulty date
September 25, 2007
Submitted
October 3, 2007
Operation
Air carrier
Aircraft
N825UA
Make and model
Airbus A319131
Aircraft serial
980
Aircraft time
30,187 hours, 11,397 cycles
Engine
Iae V2522A5
Engine time
36,097 hours, 13,037 cycles
Part
Valve
Condition
Misrigged
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
O

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

What was found

ENGINE NR 1 COMPRESSOR STALL IN CRUISE. MISRIGGED VSV SYSTEM. ACP CHECKS PER MM 71-00-00 FOUND VSV UNISON RING MISRIGGED AT VGV AND STAGE 5. ADJ 1 TURN EA, OPS CHECK NORMAL.

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