As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVERHEAT, FIRE TEST FOR THE NR 2 ENGINE B LOOP FAILED. ACFT GROUNDED. ACCOMPLISHED FIM 26-10-805. NO FAULTS. REMOVED AND REPLACED THE NR 2 DETECTORS IAW AMM 26-11-01, REMOVED AND REPLACED THE CORE HARNESS IAW AMM 26-11-02. DETECTORS AND CORE HARNESS OPS CHECKED NORMAL IAW AMM 26-11-00.