Service difficulty report · Sensor · Boeing 7378Q8

Difficulty date
May 30, 2017
Submitted
June 2, 2017
Operation
Air carrier
Aircraft
N801SY
Make and model
Boeing 7378Q8
Aircraft serial
30332
Aircraft time
55,107 hours, 21,587 cycles
Part
Sensor
Condition
Malfunctioned
Location
Slats
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

ON APPROACH, AT FLAPS 1, THE LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED, NR 3 SLAT AMBER LIGHT ILLUMINATED. RAN QRH 9.14 STILL AT FLAP 1, LEADING FLAP TRANSIT LIGHT AND OVERHEAD AMBER LIGHT WENT OUT AFTER APPROXIMATELY 5 MINUTES AND LEADINGE EDGE FLAPS EXTENTION LIGHT ILLUMINATED. PERFORMED FSEU BITE TEST. NO FAULTS NOTED. CYCLED FLAPS FULL UP AND FULL DOWN, NO DEFECTS NOTED. OK FOR SERVICE. INSPECTED WIRING HARNESS. NO DEFECTS NOTED. INSPECTED WIRING FROM NR 3 SLAT SENSORS TO FUSELAGE. CHECKED CONTINUITY FROM SENSORS TO D728A AT FSEU. CHECKED WIRING WITH MEGGAR AND UNDER LOAD. FOUND NO LOOSE CONNECTORS OR DEFECTS. FOUND BENT PIN IN RETRACT SENSOR S1095. REPLACED SENSOR.

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