SDR SWAA092638

Service difficulty report · Sensor · Boeing 7377H4

Difficulty date
April 26, 2009
Submitted
April 28, 2009
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
18,351 hours, 10,612 cycles
Part
Sensor
Part number
AD450017
Condition
Damaged
Location
Nlg
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

AIR TURNBACK, WITH GEAR HANDLE IN OFF POSITION, NLG FELL TO DOWN POSITION WITH UNSAFE LIGHT INDICATION. FOUND NLG S854 SENSOR DAMAGED AND OBSTRUCTING UPLOCK ASSY. REMOVED AND REPLACED S854 UPLOCK SENSOR PER MM.

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