Service difficulty report · Downlock Switch · Lear 35A

Difficulty date
February 2, 2010
Submitted
March 1, 2010
Operation
General aviation
Make and model
Lear 35A
Aircraft time
15,345 hours
Engine
Garrtt TFE7312
Part
Downlock Switch
Part number
63210178
Condition
Out Of Rig
Location
Mlg
Stage of operation
LD
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

(CAN) GEAR SWING CARRIED OUT AFTER REPLACEMENT OF STEERING MOTOR. FOUND SERVICEABLE. ACFT ACCEPTANCE TEST FLIGHT WAS CARRIED OUT AND CREW EXPERIENCED NO DOWN LOCK INDICATION ON LT MAIN. SECONDARY INDICATION FOR DOWN & LOCK ALSO NOT PRESENT. GEAR EMERGENCY EXTENSION WAS CARRIED OUT AND ACFT SUCCESSFUL LANDED. DOWN LOCK SWITCH WAS FOUND OUT OF RIG. SWITCH RERIGED. OPS CHECK CARRIED OUT WITH NO FAULTS. (TC 20100204007)

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