Service difficulty report · Anti-Ice Valve · Amd FALCON900B

Difficulty date
December 29, 2004
Submitted
March 4, 2005
Operation
General aviation
Aircraft
N203CW
Make and model
Amd FALCON900B
Aircraft serial
33
Engine
Garrtt TFE731*
Part
Anti-Ice Valve
Part number
7847232
Part serial
449
Condition
Failed
Part time
1,181 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING TROUBLESHOOTING FOR (HIGHER THAN NORMAL) GASPER AIR TEMPERATURE, FOUND THE TURBOFAN TURBINE ANIT-ICE VALVE DISASSEMBLED BETWEEN THE VALVE AND THE MOTOR. NO DAMAGE CAN BE SEEN ON THE VALVE. THE 2 THREADED PARTS WERE FOUND UNTHREADED. THE DYSFUNCTIONAL PART WAS REMOVED AND REPLACED WITH A NEW VALVE PN 784723-3. REF AMM 21-512. (K)