Service difficulty report · Downlock Switch · Gulstm GVSPG500

Difficulty date
December 8, 2014
Submitted
December 11, 2014
Operation
General aviation
Aircraft
N550AL
Make and model
Gulstm GVSPG500
Aircraft serial
5443
Aircraft time
368 hours, 172 cycles
Part
Downlock Switch
Part number
1159SCAV5151
Part serial
N
Condition
Malfunctioned
Location
Lt Mlg
Part time
368 hours, 172 cycles
Stage of operation
AP
How discovered
O
Nature of condition
P
Precautionary procedure
L

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

What was found

LT MLG INDICATION DID NOT ILLUMINATE GREEN ON LANDING GEAR CONTROL PANEL. LANDING GEAR HANDLE ILLUMINATED RED. LANDING GEAR UNSAFE CONDITION RESULTED IN DIVERSION. LANDING WAS UNEVENTFUL. REPLACED THE DOWNLOCK SWITCH.