Service difficulty report · Solenoid Valve · Dhav DHC8103

Difficulty date
January 10, 2004
Submitted
March 1, 2004
Operation
General aviation
Make and model
Dhav DHC8103
Engine
Pwa PW121
Propeller
Hamstd 14SF7
Part
Solenoid Valve
Part number
54C546349
Part serial
1758
Condition
Failed
Location
Mlg
Part time
13,002 cycles
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

(CAN) DURING TAKEOFF AND THE GEAR UP SELECTION THE AIRCRAFT EXPERIENCED A COMPLETE LOSS OF ALL FLUID FROM THE NR2 HYDRAULIC SYSTEM. ALTERNATE LANDING GEAR EXTENSION PREFORMED AND AIRCRAFT RETURNED SAFELY TO BASE. FINDINGS, LT MLG SOLENOID SEQUENCE VALVE FAILED. SOLENOID SEPARATED FROM VALVE. TWO BOLTS OF FOUR, WHICH CONNECT SOLENOID HOUSING, HAD BROKEN.