Service difficulty report · Sensor · Boeing 7378Q8

Difficulty date
September 28, 2018
Submitted
October 1, 2018
Operation
Air carrier
Aircraft
N816SY
Make and model
Boeing 7378Q8
Aircraft serial
30637
Aircraft time
59,320 hours, 20,870 cycles
Part
Sensor
Condition
Defective
Location
Te Flap
Stage of operation
AP
How discovered
O
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

UPON FIRST SELECTION OF FLAPS A FLAP ASSEMTRY OCCURRED WITH LEFT FLAPS REMAINING IN THE UP POSITION RIGHT FLAP EXTEND ONE NEEDLES WIDTH. PERFORMED FSEU BITE TEST. FAULT CODE 27-53252 FLAP 3 SKEW. PERFORMED TE FLAP SUPPORT NR 3 SKEW PROBLEM. NO DEFECTS NOTED DURING VISUAL INSPECTION. ACCOMPLISHED FLAP SKEW DETECTION SYSTEM FUNCTION TEST. FOUND F3 SKEW SENSOR OUT OF RANGE. R&R NR 3 FLAP SKEW. SYSTEM OPS CHECK OK. NO FAULTS ON THE FSEU, ALL CLEAR.

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