Service difficulty report · Sensor · Boeing 7378H4

Difficulty date
January 15, 2023
Submitted
February 3, 2023
Operation
Air carrier
Aircraft
N8543Z
Make and model
Boeing 7378H4
Aircraft serial
63587
Aircraft time
18,094 hours, 8,916 cycles
Part
Sensor
Part number
NOTENTERED
Part serial
NOTENTERED
Condition
Fault Message
Location
Zn 500 Left Wing
Stage of operation
AP
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

LE TRANSIT LIGHT ON FORWAD PANEL REMAINS ILLUMINATED WITH FLAPS DOWN LE TRANSIT LIGHT ON FORWAD PANEL REMAINS ILLUMINATED WITH FLAPS DOWNF/C 27-81222<[01] FOUND FAULT 27-81222 AND REMOVED AND REPLACED THE #4 LEADING EDGE FLAP RETRACT PROX SENSOR PER AMM 27-88-11. THIS CLEARED THE FAULT

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