Service difficulty report · Sensor · Boeing 7378

Difficulty date
June 29, 2023
Submitted
June 30, 2023
Operation
Air carrier
Aircraft
N27290
Make and model
Boeing 7378
Aircraft serial
44309
Aircraft time
177 hours, 77 cycles
Part
Sensor
Part number
UNKNOWN
Part serial
NA
Condition
Warning Message
Location
No 4 Flap
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

TAKEOFF CONFIG WARNING ACCOMPANIED BY HIGH SPEED REJECT FLIGHT DECK EFFECT SHOWS NO 4 FLAP SENSOR DISAGREEMENT INFO PER FIM TASK 27-81-00-810-829 ACCOMPLISHED INITIAL EVALUATION 27-51-00-740-801. OMF SHOWS NOT ACTIVE FOR MAINTENANCE MESSAGE STEPS. ACCOMPLISHED LEADING EDGE FLAP AND SLAT SYSTEM OPERATION 27-81223. PER FIM FAULT WAS INTERMITTANT. WITH PRIMARY CONTROL, AMM TASK 27-81-00-860-801 AND ACCOMPLISHED FSEU DISPLAY AND EXISTING FAULTS TEST, AMM TASK

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