Service difficulty report · Selector Valve · Bombdr DHC8400

Difficulty date
September 25, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Engine
Pwc PW150A
Propeller
Rotol R306382F7
Part
Selector Valve
Part number
483003
Condition
Failed
Location
Mlg
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) LANDING GEAR FAILED TO RETRACT ON DEPARTURE. MAINTENANCE TROUBLESHOOTING DETERMINED THE MAIN LANDING SELECTOR VALVE COIL ON THE RETRACT SIDE FAILED, SB 84-32-101. RELEASED TO UPGRADE SELECTOR VALVE COIL SEALS TO ELIMINATE HYDRAULIC FLUID LEAKAGE INTO THE COILS.