SDR AALA20160104009

Service difficulty report · Warning System · Boeing 767323

Difficulty date: January 3, 2016
Submitted: January 4, 2016
Operation: Air carrier
Aircraft: N378AN
Make and model: Boeing 767323
Aircraft serial: 25447
Aircraft time: 94,731 hours, 15,112 cycles
System (JASC): 2781 · Leading Edge Slat Position Indicating System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: AP
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

GOING FROM FLAPS 20 - 25, THE LE ASYMMETRY, LE SLAT ASYMMRYTY, LIGHT CAME ON. AUTO PILOT HANDLE WENT BACK TO 20. THE FLIGHT DECLARED AN EMER & LANDED WITHOUT FURTHER INCIDENT. NO FAULTS ON FSEU. RAN FLAPS & SLATS UP & DOWN SEVERAL TIMES, NO FAULTS. INSTALLED UPGRADED FSEU ON ACFT FOR BETTER TROUBLESHOOTING, SYS OK FOR SERVICE. THE ACFT WAS NOT GNDED.