SDR AALA201811149015

Service difficulty report · Motor · Boeing 7878

Difficulty date: November 13, 2018
Submitted: November 14, 2018
Operation: Air carrier
Aircraft: N812AA
Make and model: Boeing 7878
Aircraft serial: 40630
Aircraft time: 12,641 hours, 1,303 cycles
System (JASC): 2780 · Leading Edge Slat Control System
Part: Motor
Condition: Failed
Location: Slat Drive
Stage of operation: CR
How discovered: V
Nature of condition: J
Precautionary procedure: D

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

What was found

DURING A POST MAINTENANCE FUNCTIONAL CHECK FLIGHT, THE CREW EXPERIENCED A SLAT DRIVE MALFUNCTION. SLATS LOCKED OUT, SLAT DRIVE MESSAGE DISPLAYED ON FLAP PAGE ILLUMINATED. - 13.6 SKEW INNER SLATS. EMERGENCY DELCARED AND FLIGHT RETURNED TO DEPARTURE AND LANDED WITHOUT INCIDENT. REPLACED THE LEADING EDGE SLAT POWER DRIVE HYDRAULIC MOTOR IAW AMM A-27-81-33-00A-520A-A, AND AMM A-27-87-33-00A-720A-A.

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