As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE, MW0311 HARNESS HAS CHAFE DAMAGE. GROUNDED - YES. DAMAGE HAS EXTENDED THROUGH PORTIONS OF METAL BRAID. REMOVED AND REPLACED #2 ENG MW0311 HARNESS. PERFORMED INSTALLATION TESTS REF B737-900 AMM 73-21-06-400-802-F00. ALL TESTS PASS. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.