Service difficulty report · Control Valve · Boeing 72730C

Difficulty date
November 8, 2005
Submitted
July 6, 2006
Operation
General aviation
Aircraft
N918UP
Make and model
Boeing 72730C
Aircraft serial
19008
Engine
Pwa JT8D5
Part
Control Valve
Part number
511000
Part serial
2615
Condition
Failed
Location
Fire Extinguish
Component part number
511000
Stage of operation
IN
How discovered
9
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

NR 2 ENGINE FIRE EXTINGUISHING SELECTOR CONTROL VALVE FAILED TO OPEN DURING ROUTINE TESTING IAW UPS ROUTINE TASK CARD TC 2-221-12. THE VALVE SOLENOID HOUSING WAS NOTED AS BEING CORRODED. (K)

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