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 THE AIRCRAFT PITCHED UP AND DOWN WITH THE LEADING EDGE FLAPS TRANSIT LIGHT ILLUMINATED; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT PHL. FOUND PIN 34 OF CONNECTOR DM22 TO HAVE LOW TENSION RESISTANCE. REPLACED DM22. PER SWPM 20-60-06 AND PER WDM 27-81-21 AND 28-23-11. SYSTEM CHECKS GOOD. FLAPS AND SLATS OPERATE AND INDICATE NORMAL ORIGINALLY.