As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS / IN CRUISE ENG 2 FIRE LOOP B FAULT. // PERFORMED TSM 26-12-00-810-806-A AND TSM 26-12-00-810-826-A. ENG 2 FIRE LOOP B RESISTANCE CHECK IS SATISFACTORY. VISUAL CHECK IS GOOD. FDU 2 BITE TEST GAVE "CHK FDU ENG2 CHAN B SPLY." REMOVED AND REPLACED FDU2.