Service difficulty report · Selector Valve · Gulstm 200

Difficulty date
June 8, 2010
Submitted
June 9, 2010
Operation
Air carrier
Aircraft
N743QS
Make and model
Gulstm 200
Aircraft serial
216
Aircraft time
946 hours, 597 cycles
Engine
Pwc PW306A
Part
Selector Valve
Part number
HP8489001
Part serial
0226
Condition
Leaking
Location
Te Flap
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

AFTER TAKEOFF AND ON INITIAL GEAR RETRACTION, RT HYD PUMP PRESS LOW, AUX HYD PUMP ON, AND RT HYD LOW LEVEL CAUTION MESSAGES ILLUMINATED. FLUID QTY LEVEL WAS AT 24 ON RT HYD SYS. RAN QRH PROCEDURES AND LANDED SJC. ON POSTFLIGHT, HYD FLUID NOTED ON BOTTOM ON PLANE FROM DRAIN MAST AFT TO TAIL. FOUND RT FLAP SELECTOR VALVE LEAKING. REMOVED OLD VALVE INSTALLED. REPAIRED VALVE IAW MM 27-52-10. LEAK AND OPS CHECKS GOOD.