What was found
EMERGENCY DECLARED, ON CLIMBOUT, RETRACTING FLAPS, THE 'LE SLAT ASSYMMETRY' EICAS MSG ILLUMINATED AND FLAP IND WAS BETWEEN UP & 1. IT MOMENTARILY CLEARED AD FLAP NEEDLE WENT TO 'UP'. THE EICAS MSG RETURNED AND NEEDLE... OPENED ACCESS PANELS, CLEANED SLAT DRIVE MECHANISM AND LUBRICATED SLAT #8 AND #9 . CLOSED PANELS. DURING CLOSING REPLACED SEVERAL SCREWS IAW AMM 12-21-080-600-803 REV 142.