As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM-UPON C/W 12K TASK CARD FOUND NR 2 ENGINE "B" IGNITION WIRE DAMAGE GOING INTO TOP OF THE PLUG. INSULATION ON WIRE IS PULLED AWAY SHOWING ACTUAL WIRE WITH EXPOSED WIRE AND EVIDENCE OF ARCING. R & R NR 2 ENGINE "B" IGNITION WIRE IAW AMM 74-21, OPS CHECK GOOD IAW AMM 74-00. ACFT OK FOR SERVICE.