As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB, CRUISE, AND DESCENT WE WERE GETTING A "LEADING EDGE FLAPS TRANSIT" LIGHT AND NUMBER 8 PANEL ILLUMINATED ON THE OVERHEAD PANEL; AIRCRAFT LANDED SAFELY AT PHL. CORRECTED PROXIMITY SENSOR DIMENSION (S1008). OPERTIONAL CHECK GOOD. PER AMM 27-88-11.