As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6431 - LGA-DCA - DURING FLAP RETRACTION TO 0 DEGREES, LEADING EDGE FLAP AMBER DISAGREEMENT LIGHT STAYS ON. NR 8 SLAT INDICATED EXTENDED AT 0 DEGREES AND 2 DEGREES FLAP SETTINGS. REPLACED NR 8 FLAP EXTEND POSITION SWITCH. OPS CHECKS OK PER MM 27-81-32 PAGE 407. (M)