Service difficulty report · Actuator · Boeing 7673Z9

Difficulty date
May 14, 2012
Submitted
June 7, 2012
Operation
Air carrier
Aircraft
N763BK
Make and model
Boeing 7673Z9
Aircraft serial
23765
Aircraft time
87,891 hours, 17,847 cycles
Engine
Pwa PW4056
Part
Actuator
Part number
8198021
Part serial
F4409
Condition
Failed
Location
Nr 2 Engine
Part time
87,891 hours, 17,847 cycles
Stage of operation
CL
How discovered
O
Nature of condition
R, A
Precautionary procedure
D

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

What was found

LOUD BANG, POWER LOSS, FLAMES FROM RIGHT ENGINE ON CLIMBOUT. DID NOT PERFORM INFLIGHT SHUTDOWN. A/C IS AOG IN WORK. ACCOMPLISHED FIM 71-05-00 FAULT TREE 803 STEPS 1-57. ALSO VSV ACTUATOR WAS REMOVED AND REPLACED PER AMM 75-31-02. PERFORMED COMPRESSOR STATOR VANE CONTROL SYSTEM ADJUSTMENT/ TEST AND ADJUSTED 5TH STAGE UNISON RING PER AMM 75-31-00. ENG NR 2 OK FOR RETURN TO SERVICE.

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