Service difficulty report · Downlock Switch · Bag JETSTM3201

Difficulty date
May 18, 2012
Submitted
June 8, 2012
Operation
Air carrier
Aircraft
N874CP
Make and model
Bag JETSTM3201
Aircraft serial
874
Part
Downlock Switch
Part number
9EN1C11HB2BB2
Condition
Out Of Adjust
Location
Nlg
Stage of operation
DE
How discovered
O
Nature of condition
N
Precautionary procedure
L

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

What was found

DURING A REPOSITION FLIGHT, CREW SELECTED GEAR DOWN. THE FLIGHT CREW HAD A NOSE GEAR UNSAFE INDICATION. THE CREW DECIDED NOT TO LAND AND RETURNED TO DEPARTURE. THE FLIGHT CREW FLEW BY THE TOWER TO GET A VISUAL INDICATION OF THE POSITION OF THE GEAR. THE GEAR WAS IN THE EXTENDED POSITION. THE CREW DECLARED AN EMERGENCY AND LANDED. AFTER THE SUCCESSFUL LANDING, THE CREW PINNED THE NLG AND TAXIED THE ACFT TO THE MX HANGER. UPON INSP AND FUNCTIONAL CHECK OF THE OF THE LANDING GEAR IT WAS DISCOVERED THE NLG DOWN LOCK SWITCH WAS NOT COMPLETELY ENGAGING. MX ADJUSTED NLG DOWNLOCK SWITCH FOR CORRECT ENGAGEMENT. PERFORMED SERVERAL GEAR SWINGS TO VERIFY CORRECT OPERATION. ACFT RELEASED FOR SERVICE.