Service difficulty report · Relief Valve · Cessna 560CESSNA

Difficulty date
June 23, 2010
Submitted
June 23, 2010
Operation
Air carrier
Aircraft
N383QS
Make and model
Cessna 560CESSNA
Aircraft serial
5600483
Aircraft time
9,528 hours, 7,735 cycles
Part
Relief Valve
Part number
4614
Part serial
1745A
Condition
Failed
Location
Hyd System
Stage of operation
CL
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

DURING TAKEOFF, LT MLG APPEARED TO BE HUNG AS LANDING GEAR LIGHT INDICATED A GREEN LT MAIN AND A RED UNSAFE LIGHT. R & R THE HYD PRESSURE RELIEF VALVE WITH AN O/H VALVE. R & R RT MAIN ACTUATOR WITH AN INSPECTED UNIT. OPS AND LEAK CHECK OF BOTH ITEMS GOOD. WORK DONE IAW MM 29-11-06 AND 32-31-04. ACTUATOR PN: 1523100-8; SN: 618.