Service difficulty report · Actuator · Gulstm 200

Difficulty date
July 20, 2008
Submitted
May 12, 2009
Operation
Air carrier
Aircraft
N727QS
Make and model
Gulstm 200
Aircraft serial
113
Aircraft time
2,989 hours, 1,837 cycles
Part
Actuator
Part number
2630000004
Part serial
IL134
Condition
Malfunctioned
Location
Mlg
Part time
1,838 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

UPON GEAR RETRACTION, LT MAIN GEAR INDICATOR SHOWED RED CROSSHATCH GEAR UNSAFE WITH THE NOSE AND RT MAIN SHOWING UP AND LOCKED. REPEAT WRITE UP FROM 6/24/08. FOLLOWED QRH PP E6-3 "GEAR DOES NOT LOCK UP" CHECKLIST. REMOVED LT MLG ACTUATOR PN 4AS252101-509, SN IL-134. INSPECTED CARDAN JOINT AND FOUND THE BUSHING TO DAMAGE FROM SHIPPING. SWAPPED CARDAN JOINT, INSTALLED ACTUATOR ASSY. REMOVED AND REINSTALLED NR 1 MAIN WHEEL ASSY. FOR LT MLG ALIGNMENT CHECK. PERFORMED OPS CHECK WITH NO DEFECTS NOTED REFERENCING CMP 321003 AND 324201. MEASURED DIMENSION BETWEEN ACTUATOR ROD ENDS AND FOUND NEW ACTUATOR AND REMOVED ACTUATOR DIMENSION TO BE THE SAME.