As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING MAINTENANCE INSPECTION CHAFING WAS DISCOVERED ON THE SPIRAL ELECTRICAL CORD LOCATED IN THE O/B TELESCOPIC DUCT OF THE L/H WING LEADING EDGE. THE SAME WAS FOUND AT THE LH IB LOCATION AND THE RT IB LOCATION. ALL HARNESSES WERE REPLACED IAW CMM 30-11-10-07.