SDR AALA202012019009

Service difficulty report · Slat System · Boeing 737823

Difficulty date: November 30, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N962NN
Make and model: Boeing 737823
Aircraft serial: 33331
Aircraft time: 18,204 hours, 7,070 cycles
System (JASC): 2780 · Leading Edge Slat Control System
Part: Slat System
Condition: Sticking
Location: Lt Wing
Stage of operation: NR
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

AIRCRAFT IN BASE MAINTENANCE. WHEN EXTENDING LEADING EDGE SLATS FROM SEALED TO GAPPED POSITION, THE NR 1 LT WING OUTBOARD SLAT STICKS THEN UP SNAPS INTO POSITION BEHIND NR 2 ADJACENT SLAT, OTHER SLATS NORMAL. CLEANED AND LUBED AREA, IAW AMM 27-81-00, OPERATIONS CHECK GOOD.