As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINEERING REQUEST FOLLOW UP FOR HISTORY OF T25 FAULTS ON NR 1 ENGINE. ETOPS SIGNIFICANT SYSTEM. ACFT GROUNDED. ACCOMPLISHED STEP 1 AND STEP 2 OF TSR. R & R J9 HARNESS ON NR 1 ENGINE REF AMM 73-21-06-400-802-F00. ACCOMPLISHED FADEC SYSTEM TEST REF AMM 73-21-00-700-802-F00. OPS NORMAL.