Service difficulty report · Proximity Switch · Aerosp ATR42320

Difficulty date
February 7, 2002
Submitted
February 9, 2002
Operation
Air carrier
Aircraft
N97841
Make and model
Aerosp ATR42320
Aircraft serial
280
Part
Proximity Switch
Part number
D228830001
Part serial
813
Condition
Failed
Location
Nlg
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

DURING APPROACH FLIGHT 3762, THE CREW NOTED THAT THE NOSE LANDING GEAR UNSAFE DOWNLOCK INDICATION IN FLIGHT ON THE FORWARD PANEL, THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE RELEASED THE AIRCRAFT IAW MEL. MAINTENANCE REMOVED AND REPLACED THE LEFT AND RIGHT DOWNLOCK PROX SWITCHES. PERFORMED A OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM, NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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