Service difficulty report · Shutoff Valve · Lear 45LEAR

Difficulty date
September 2, 2003
Submitted
March 1, 2004
Operation
General aviation
Make and model
Lear 45LEAR
Engine
Garrtt TFE7312
Part
Shutoff Valve
Part number
P40791
Condition
Faulty
Location
Hyd System
Part time
3,231 cycles
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

(AUS) LT ENGINE FIREWALL MOUNTED HYDRAULIC FIREWALL SHUTOFF VALVE FAULTY. VALVE WOULD NOT FULLY CLOSE WHEN THE FIRE SWITCH WAS OPERATED WHICH ALLOWED HYDRAULIC FLUID TO LEAK PAST THE VALVE.