As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT GROUNDED. LEADING EDGE FLAP 1 EXTENDED INDICATION WHILE CRUISING AT FL 390. LEADING EDGE TRANSIT LIGHT ALSO ILLUMINATED. REMOVED AND REPLACED LEADING EDGE NR 1 FLAP ACTUATOR, IAW AMM 27-81-31-400-801. REMOVED LEADING EDGE LOCK OUT TOOL. OPERATIONS CHECK GOOD AND LEAK CHECKS GOOD AT THIS TIME.