Service difficulty report · Proximity Sensor · Boeing 7377H4

Difficulty date
September 24, 2025
Submitted
September 24, 2025
Operation
Air carrier
Aircraft
N431WN
Make and model
Boeing 7377H4
Aircraft serial
29845
Aircraft time
75,864 hours, 45,050 cycles
Part
Proximity Sensor
Condition
Faulted
Location
Zone 500 Slats
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

FL370 LE FLAPS TRANIT LIGHT ILLUMINATED #2 SLAT POSITION PERFORMED QRH PROCEDURE BELOW FL200. LIGHT STAYED ON; PERFORMED. F15 LANDING NO FLAP LOCKOUT NORMAL LNDG. REPLACED #2 LEADING EDGE SLAT PROXIMITY SENSOR IAW 27-88-11. OPS CHECKS GOOD.

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