Service difficulty report · Shuttle Valve · Dhav DHC8102

Difficulty date
November 18, 2001
Submitted
January 17, 2002
Operation
Air carrier
Aircraft
N908HA
Make and model
Dhav DHC8102
Aircraft serial
015
Aircraft time
43,021 hours, 49,651 cycles
Part
Shuttle Valve
Part number
50841
Part serial
0717
Condition
Inoperative
Part time
43,021 hours, 49,651 cycles
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

#1 AND #2 HYDRAULIC SYSTEMS FLUID LOSS. #2 RUDDER ISO VALVE CAUTION LIGHT ILLUMINATED. HYD PRESSURES NORMAL. ON LANDING NORMAL BRAKES FAILED. FOUND LEAK AT #3 BRAKE. #3 SHUTTLE VALVE FAILURE ALLOWED FLUID LOSS FROM BOTH HYD SYSTEMS. REPLACED #3 SHUTTLE VALVE.