SDR IPXA2017090621420

Service difficulty report · Slat System · Boeing 75724APF

Difficulty date: September 5, 2017
Submitted: September 6, 2017
Operation: Air carrier
Aircraft: N435UP
Make and model: Boeing 75724APF
Aircraft serial: 25466
Aircraft time: 23,818 hours, 16,185 cycles
System (JASC): 2780 · Leading Edge Slat Control System
Part: Slat System
Condition: Malfunctioned
Stage of operation: NR
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

EMERGENCY DECLARED DUE TO LE SLAT DISGREE LIGHT AND EICAS MESSAGE . RAN CHECKLIST BUT LEADING EDGE LIGHT REMAINED ILLUMINATED. USED ALTERNATE FLAPS SWITCH TO GET TE FLAPS TO 20 FOR LANDING. PERFORMED FIM 27-81-00-815-803 BLOCKS 1A THRU 1D AND BLOCK 28, WITH NO FAULTS, OPERATED FLAPS AND SLATS NUMEROUS TIMES, BOTH HYDRAULICALLY AND ELECTRICALLY . OK TO CONTINUE. OPS CHECKED NORMAL

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