Service difficulty report · Sensor · Boeing 7378

Difficulty date
April 19, 2023
Submitted
April 19, 2023
Operation
Air carrier
Aircraft
N77536
Make and model
Boeing 7378
Aircraft serial
62766
Aircraft time
21,583 hours, 7,320 cycles
Part
Sensor
Part number
29278830006
Condition
Inoperative
Location
Le Flaps
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
B

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

What was found

LE FLAPSTRANSIT LIGHT ILLUMINATED WITH FLAPS EXTENDED FSEU FAULTS F1 PROX SENSOR. VERIFIED SENSOR STATUS READS NEAR FAULTY SENSOR IS 168 RETRACT WITH L.E. RETRACTED AND EXTENDED NO CHANGE IN STATUS. FAULT DISPLAYED WHEN FLAPS NOT IN UP POSITION. S168 M&E 29-2788-3-0006. REMOVED AND REPLACED S168 LE FLAP 1 RETRACT SENSOR REF MM27-88-11 OPCK GOOD. ADD EMP:U239033

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