Service difficulty report · Proximity Sensor · Boeing 737800*

Difficulty date
January 3, 2026
Submitted
January 5, 2026
Operation
Air carrier
Aircraft
N5237A
Make and model
Boeing 737800*
Aircraft serial
32608
Aircraft time
56,229 hours, 27,183 cycles
Part
Proximity Sensor
Condition
Malfunctioned
Location
K Flap Sys
Stage of operation
CL
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

RED TAKEOFF CONFIG LIGHT AND TAKE OFF WARNING DURING TLCC WITH FLAPS 5 AND CONFIGURED FOR TAKEOFF NR 1 LEADING EDGE FLAP TRANSIT LIGHT DURING EXTENSION OR RETRACTION. R & R NR 1 KRUGER FLAP NR 1 PROX SENSOR IAW AMM 27-88-11-400-802. OPS CHECKED, LIGHTS OPERATE AS NORMAL ACFT OK FOR SERVICE.

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