As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE J10 HARNESS CHAFE DAMAGE. GROUNDED - YES. DAMAGE HAS EXTENDED THROUGH PORTIONS OF METAL BRAID. REMOVED AND REPLACED #1 ENG J10 HARNESS IAW B737-900 AMM 73-21-06. PERFORMED INSTALLATION TESTS FOR #1 ENGINE J10 HARNESS REF AMM 73-21-06-400-802-F00. ALL TESTS PASS. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.