As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/C 78474000 MAIN IGNITER PLUGS REMOVAL AND INSTALLATION, FOUND THE LEFT IGNITION LEAD WORN AND FRAYED ON THE NR 2 ENGINE. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE LT IGNITION LEAD IAW AMM 74-21-01. AUDIBLE AND OPS CHECKED GOOD.