Service difficulty report · Solenoid Valve · Swrngn SA227AC

Difficulty date
May 9, 2005
Submitted
June 2, 2005
Operation
General aviation
Make and model
Swrngn SA227AC
Aircraft time
22,053 hours
Engine
Garrtt TPE33111U
Propeller
Mcauly 4HFR34C652
Part
Solenoid Valve
Part number
246006
Condition
Failed
Location
Hyd Powerpack
Part time
11,500 cycles
Component
Hyd Powerpack · Airight
Component part number
2781009015
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) ON APPROACH THE GEAR WOULD NOT EXTEND NORMALLY. MANUAL EMERGENCY EXTENSION WORKED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED SYSTEM AND FOUND GEAR SOLINOID VALVE TO BE NON OPERATIONAL. THIS VALVE ALSO CONTROLS HYD PRESSURE FOR THE NOSE STEERING, WITH THIS VALVE NON OPERATIONAL THE GEAR WILL NOT EXTEND AND THERE IS NO NOSE STEERING. VALVE REPLACED, GEAR SWINGS AND NOSE STEERING CHECKED WITHIN MANUFACTURES SPECIFICATIONS. AIRCRAFT RELEASED TO SERVICE.