Service difficulty report · Squat Switch · Swrngn SA226TC

Difficulty date
February 28, 2003
Submitted
March 12, 2003
Operation
Air carrier
Aircraft
N158WA
Make and model
Swrngn SA226TC
Aircraft serial
TC411
Engine
Garrtt TPE331*
Part
Squat Switch
Part number
MS243314
Condition
Inoperative
Location
Lt Strut
Part time
5,000 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

INSUFFICENT FLUID LEVEL INSIDE STRUT HOUSING CREATED (SPONGY) STRUT EXTENSION. DURING RETRACTION WIND LOAD COMPRESSING STRUT GREATER THAN .6250 INCH CLOSING MLG SAFETY SQUAT SWITCH. THUS DISABLING THE RETRACT SEQUENCE, LEAVING THE RIGHT MLG PARTIALLY RETRACTED. SERVICING FLUID AND NITROGEN IN LT STRUT, CURED THE PROBLEM. CHECK STRUT FLUID LEVELS REGULARLY.