As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#416, SFO-JFK. (ETOPS) 'ENG 2 FIRE LOOP B FAULT ( ENGINE FIRE DETECTION SYSTEMS 2) LOOP B ); PER TSM 26-12-00-810-806-A REPAIRED TERMINAL G AND C ON 450VT2 REF ESPM 20-44-51. ER GROUND VERIFICATION PASS. OPS TEST OF ENG 2 FIRE DETECTION OK. FDU TWO TEST PASS. MX-4 UPDATED, PLACARD REMOVED. MDDR CLEARED.