Service difficulty report · Actuator · Airbus A320231

Difficulty date
January 8, 2012
Submitted
January 11, 2012
Operation
Air carrier
Aircraft
N632AW
Make and model
Airbus A320231
Aircraft serial
81
Aircraft time
70,869 hours, 31,534 cycles
Engine
Iae V2500A1
Engine time
62,991 hours, 28,169 cycles
Part
Actuator
Part number
1666MK5
Part serial
1666311
Condition
Failed
Location
Nr 2 Engine
Part time
54,701 hours, 24,546 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R, M, J
Precautionary procedure
E, F, A

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

What was found

UPON THRUST REDUCTION TO CLIMB, NR 2 ENGINE HAD TWO COMPRESSOR STALLS BEFORE THRUST LEVER COULD BE MOVED TO IDLE. EGT EXCEEDED LIMITS; ENG 2 FAIL ON ECAM. NR 2 ENGINE WAS SHUTDOWN IAW ECAM ACTIONS, FIRE BOTTLE WAS DISCHARGED AND AIRCRAFT DIVERTED, (EMERGENCY DECLARED). MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE. FOUND THE BLEED VALVE MASTER ACTUATOR FAILED DUE TO HIGH LEVELS OF FUEL LACQUER ON PISTON AND LINER ASSEMBLIES AND TORQUE MOTOR FILTERS.

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