As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT FROM PHL, RECEIVED EICAS MESSAGE ON LEFT ENGINE PRIMARY CONTROL, ACCOMPANIED BY LENGTHY SECONDARY CONTROL MESSAGE. FLIGHT DIVERTED TO ORD. CONNECTOR W2P7 ON FUEL CONTROL HAD LOOSE BACKSHELL. WIRES WERE TWISTED IN BUNDLE INSIDE BACKSHELL. ONE WIRE HAD INSULATION WORN THROUGH. REPAIRED INSULATION AND INSTALLED CONNECTOR. OPERATION CHECKS NORMAL.