As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE UPPER EXCITER SHOWS SIGNS OF ARCING AND CARBON TRACKING. NR 2 ENGINE UPPER EXCITER BOX DISCONNECTED AND SECURED NEAR MOUNT. BOTH CONNECTORS UNHOOKED IAW MM 74-11-01. INSTALLED NR 2 ENGINE UPPER IGNITION EXCITER IAW AMM 74-11-01.