Service difficulty report · Warning System · Emb EMB120ER

Difficulty date
September 4, 2018
Submitted
September 10, 2018
Operation
Air carrier
Aircraft
N258AS
Make and model
Emb EMB120ER
Aircraft serial
120131
Aircraft time
43,442 hours, 45,813 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

THE CREW REPORTED AFTER TAKEOFF FROM KLAX, A FLAP DISAGREEMENT WARNING OCCURRED. THEY PERFORMED A SYSTEM CHECK IN ACCORDANCE WITH QRH AND RECYCLED THE FLAPS, BUT THE FLAP DISAGREEMENT WARNING RETURNED. THE CREW DECLARED AN EMERGENCY, AND LANDED AT KONT WITHOUT INCIDENT. MAINTENANCE PERFORMED A VISUAL INSPECTION OF THE FLAPS AND FOUND NO DEFECTS. THEY ALSO PERFORMED AN OPERATIONAL AND SYSTEM BUILT-IN TEST AND FOUND NO ANOMALIES OR DUPLICATION OF FLAP DISAGREEMENT. THE AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE.

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